Erythema: Difference between revisions

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{{Infobox_Disease |
__NOTOC__
  Name          = {{PAGENAME}} |
{{SI}}
  Image          = |
  Caption        = |
  DiseasesDB    = 4466 |
  ICD10          = {{ICD10|L|51||l|50}}-{{ICD10|L|54||l|50}} |
  ICD9          = {{ICD9|695}} |
  ICDO          = |
  OMIM          = |
  MedlinePlus    = |
  eMedicineSubj  = |
  eMedicineTopic = |
  MeshID        = D004890 |
}}
{{Search infobox}}
{{CMG}}
{{CMG}}


==Overview==
==Overview==
'''Erythema''' is redness of the [[skin]] caused by [[capillary]] congestion.   
'''Erythema''' is redness of the [[skin]] caused by [[capillary]] congestion.   
It can be caused by [[infection]], [[massage]], electrical treatments, [[acne]] medication, [[allergy|allergies]], exercise or solar radiation ([[sunburn]]), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]].  
It can be caused by [[infection]], [[massage]], electrical treatments, [[acne]] medication, [[allergy|allergies]], exercise or solar radiation ([[sunburn]]), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]].  


==Causes==
==Causes==
It can be caused by [[infection]], [[massage]], electrical treatment, [[acne]] medication, [[allergy|allergies]], exercise, solar radiation ([[sunburn]]), [[cutaneous radiation syndrome]], [[niacin]] administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. Circumoral erythema has been described as a typical sign of acute [[oleander]] poisoning by ingestion.
It can be caused by [[infection]], [[massage]], electrical treatment, [[acne]] medication, [[allergy|allergies]], exercise, solar radiation ([[sunburn]]), [[cutaneous radiation syndrome]], [[niacin]] administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of [[radiotherapy]] treatment due to patient exposure to [[ionizing radiation]]. Circumoral erythema has been described as a typical sign of acute [[oleander]] poisoning by ingestion.


===Common Causes===
===Common Causes===
*List the most common causes here.
*[[Atopic dermatitis]]
 
*[[Chickenpox]]
*[[Contact dermatitis]]
*[[Fifth disease]]
*[[Hand-foot-mouth disease]]
*[[Impetigo]]
*[[Insect bites or stings]]
*[[Kawasaki disease]]
*[[Lupus erythematosus]]
*[[Measles]]
*[[Psoriasis]]
*[[Roseola]]
*[[Rheumatoid arthritis]]
*[[Rubella]]
*[[Scarlet fever]]
*[[Seborrheic dermatitis]]
*[[Shingles]]
*[[Perianal abscess]]


===Causes by Organ System===
===Causes by Organ System===
{|style="width:80%; height:100px" border="1"
{|style="width:80%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Kawasaki disease]],  [[Lomotil]],  [[Necrotising microvasculitis]],  [[Phlebitis]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Chemical/Poisoning'''
| '''Chemical/Poisoning'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[1-Amino-2-propanol]],  [[1-Pentanethiol]],  [[1,2-Dibromoethane]],  [[2-Amino-2-methylpropanol]],  [[2,4,6-Trinitrotoluene]],  [[3-Aminopyridine]],  [[4-Aminopyridine]],  [[Abalone poisoning]],  [[Acetic acid]],  [[Acrolein]],  [[Acute pesticide poisoning]],  [[Adverse reaction to chemical]],  [[Alclometasone]],  [[Alcohol flush reaction]],  [[Alcohol tolerance]],  [[Alcoholism]],  [[Allyl Glycidyl Ether]],  [[Allylamines]],  [[Aluminum Phosphide]],  [[Aminopterin]],  [[Ammonium bituminosulfonate]],  [[Ammonium nitrate ingestion]],  [[Ammonium Nitrate]],  [[Ammonium Sulfamate]],  [[Amylcinnamic alcohol]],  [[Anisole]],  [[Anisyl alcohol]],  [[Asparagus Fern poisoning]],  [[Australian Umbrella Tree poisoning]],  [[Benaldehyde]],  [[Benomyl]],  [[Benyl alcohol]],  [[Benyl salicylate]],  [[Benzanthrone]],  [[Biphenyl]],  [[Bleeding heart (plant) poisoning]],  [[Boxwood poisoning]],  [[Bromates]],  [[Bromides]],  [[Butyl Alcohol]],  [[Candelabra cactus poisoning]],  [[Caper spruge poisoning]],  [[Carbon Tetrachloride]],  [[Caterpillar complication poisoning]],  [[Celgene]],  [[Chemical allergy]],  [[Chemical burn]],  [[Chemical poisoning]],  [[Chlordecone]],  [[Chlormezanone]],  [[Chloromethane]],  [[Churee poisoning]],  [[Cinnamic alcohol]],  [[Cinnamic aldehyde]],  [[Clematis poisoning]],  [[Clobetasol propionate]],  [[Crown of Thorns poisoning]],  [[Cyclohexanol]],  [[Cyclohexanone]],  [[Cypress spurge poisoning]],  [[Devil's trumpet poisoning]], [[Eflornithine]], [[Elephant's-ear poisoning]],  [[Epidemic dropsy]],  [[Ethotoin]],  [[Eucalyptus poisoning]],  [[Eugenol]],  [[Euphorbium poisoning]],  [[False cactus poisoning]],  [[Fishtail palm poisoning]],  [[Flax poisoning]],  [[Flowering spurge poisoning]],  [[Garden chrysanthemum poisoning]],  [[Geraniol]],  [[Geranium poisoning]],  [[Ginger lily poisoning]],  [[Gold salts]],  [[Heliotrope poisoning]],  [[High Melting Explosive]],  [[Hops poisoning]],  [[Houseleek poisoning]],  [[Hydroid poisoning]],  [[Hydroxycitronellal]],[[Hydroquinone]],  [[Hydroxocobalamin]], [[Isoeugenol]],  [[Japanese Boxwood poisoning]],  [[Jimsonweed poisoning]],  [[Leatherwood poisoning]],  [[Lewisite]], [[Lidocaine (cream)]], [[Maidenhair tree poisoning]],  [[Maprotiline]],  [[Merbromin]],  [[Mercury poisoning]],  [[Methamidophos]],  [[Methyl Isocyanate]],  [[Methyl Tert-Butyl Ether]],  [[Methylene Chloride]],  [[Milkbush poisoning]],  [[Morpholine]],  [[Musk ambrette]],  [[N-Butyl Chloride]],  [[N-Methyl-2-Pyrrolidone]],  [[Nitric Acid]],  [[Nitroethane]],  [[Nitrofen]],  [[Nitrogen Dioxide]],  [[Nitromethane]],  [[Oak moss absolute]],  [[Orf]],  [[Oyster plant poisoning]],  [[Paraphenylenediamine]],  [[Pazopanib]],  [[Pentaborane]],  [[Pentachlorophenol]],  [[Peplomycin]],  [[Pepper Spray]],  [[Perazine]],  [[Peruvian lily poisoning]],  [[Phenolphthalein]],  [[Phenylbutazone]],  [[Phthalthrin]],  [[Piggyback plant poisoning]],  [[Pineapple sap poisoning]],  [[Plant poisoning (Datura stramonium)]],  [[Plant poisoning (Datura suaveolans)]],  [[Plant poisoning (Euphorbiaceae)]],  [[Plumbago poisoning]],  [[Poinsettia poisoning]],  [[Potassium iodide]],  [[Primidone]],  [[Primrose poisoning]],  [[Pyrethrin]],  [[Pyridine]],  [[Saddleback caterpillar poisoning]],  [[Sandalwood oil]],  [[Sassafras Oil (herbal agent) ]],  [[Sea onion poisoning]],  [[Sea wasp poisoning (Chironex fleckeri)]],  [[Sea wasp poisoning (Chiropsalmus quadrigatus)]],  [[Sea wasp poisoning]],  [[Selenium Dioxide]],  [[Senecio poisoning]],  [[Snake plant poisoning]], [[Streptozocin]], [[Tavaborole]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Dermatologic'''
| '''Dermatologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Acne rosasea]],  [[Acne]],  [[Acrodermatitis chronica atrophicans]],  [[Angioedema]],  [[Aphthous ulcer]],  [[Bazin disease]],  [[Bedsores]],  [[Brazilian pemphigus foliaceus]],  [[Bronchial adenomata syndrome]],  [[Bullous palmoplantar erythrodysesthesia]],  [[Bullous Pemphigoid]],  [[Chloasma]],  [[Chrome contact allergy]],  [[Contact dermatitis]],  [[Dandruff]],  [[Dermatitis ab igne]],  [[Dermatitis]],  [[Dermatosis]],  [[Diaper rash]],  [[Duhring-Brocq disease]],  [[Ecthyma gangrenosum]],  [[Eczema]],  [[Eicosanoid]],  [[Enfuvirtide]],  [[Erysipelas]],  [[Erythema ab igne]],  [[Erythema annulare centrifugum]],  [[Erythema annulare]],  [[Erythema chronicum migrans]],  [[Erythema craquele]],  [[Erythema elevatum diutinum]],  [[Erythema induratum]],  [[Erythema infectiosum]],  [[Erythema marginatum]],  [[Erythema migrans]],  [[Erythema multiforme]],  [[Erythema neonatorum]],  [[Erythema nodosum]],  [[Erythema toxicum]],  [[Erythrokeratodermia variabilis et progressiva]],  [[Erythrokeratodermia variabilis]],  [[Erythromelalgia]],  [[Erythropoietic protoporphyria]],  [[Exfoliative erythroderma syndrome]],  [[Flushing]],  [[Granulosis rubra nasi]],  [[Harlequin-type ichthyosis]], [[Histrelin]], [[Ichthyosis]],  [[Impetigo herpetiformis]],  [[Impetigo]],  [[Incontinentia pigmenti]],  [[Intertrigo]],  [[Lamellar ichthyosis]],  [[Majocchi disease]],  [[Melasma]],  [[Millian erythema]],  [[Mucositis]],  [[Palmar erythema]], [[Papular mucinosis]],  [[Peeling skin syndrome]],  [[Phytophotodermatitis]],  [[Pityriasis rubra pilaris]],  [[Pityriasis rubra]],  [[Prosector's wart]],  [[Rhinophyma]],  [[Rosacea]],  [[Roseola infantum]],  [[Rowell syndrome]],  [[Seborrheic dermatitis]],  [[Seborrheic keratosis]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
| '''Drug Side Effect'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Acetazolamide]], [[Acetylcysteine]],  [[Acyclovir]],  [[Allopurinol]],  [[Amifostine]],  [[Antibiotics]],  [[Anticonvulsants]],  [[Antihypertensive drug allergy]],  [[Aspirin]],  [[Axitinib]],  [[Barbiturates]],  [[Barium nitrate]],  [[Benoxaprofen]],  [[Benzodiazepines]],  [[Beta-lactam antibiotic]], [[Betamethasone dipropionate]], [[Betamethasone valerate]], [[Bezafibrate]],  [[Bleomycin]],  [[Brentuximab vedotin]],  [[Cabozantinib]],  [[Calcium hypochlorite]],  [[Capecitabine]],  [[Carbamazepine]], [[Cetrorelix]], [[Chlorambucil]],  [[Chloroquine]],  [[Chlorpromazine]],  [[Chlorpropamide]],  [[Clindamycin]],  [[Clofazimine]],  [[Clofibrate]],  [[Cold panniculitis of Haxthausen]],  [[Coumarin]],  [[Cytosine arabinoside]], [[caspofungin acetate]], [[capsaicin]],  [[Dabrafenib]],  [[D-Aminolevulinic acid]],
[[Dapsone]], [[Degarelix]],  [[Desmopressin]], [[Dexamethasone]],  [[Diclofenac]],  [[Diltiazem]],  [[Diphenhydramine]],  [[Docetaxel]],  [[Doxorubicin]],  [[Drug Allergies]],  [[Erlotinib]],  [[Etravirine]],  [[Everolimus]],  [[Floxuridine]],  [[Flucytosine]],  [[Fluorouracil]],  [[Fosamprenavir]],  [[Gallium Citrate Ga 67]], [[Herbal Agent]],  [[Hydraine]],  [[Hydralazine]],  [[Hydroxycarbamide]],  [[Hydrocortisone butyrate]], [[Hyoscine]],  [[Ibritumomab tiuxetan]],  [[Ibuprofen]],  [[Idarubicin]], [[Imiquimod]],  [[Ipilimumab]],  [[Isoniazid]],  [[Ixabepilone]],  [[Ketoprofen]],  [[Lamotrigine]],  [[Lapatinib ditosylate]],  [[Leflunomide]],  [[Luliconazole]], [[Maté (herbal agent) adverse reaction]],  [[Meprobamate]],  [[Methscopolamine]],  [[Methyl Bromide]],  [[Methyldopa]],  [[Methyldopate]],  [[Methylphenidate]],  [[Metronidazole]],  [[Modafinil]], [[Muromonab-CD3]], [[Netupitant and palonosetron]], [[Nevirapine]],  [[Oral contraceptives]],[[Oxytetracycline]],  [[Paracetamol]],  [[Penicillamine]],  [[Penicillin]],  [[Peppermint Oil (herbal agent) ]],  [[Phenobarbital]],  [[Phenytoin]],  [[Pipothiazine]],  [[Pomalidomide]],  [[Procainamide]], [[permethrin]], [[Procarbazine]], [[prednisolone]], [[Retinol]], [[Quinine]],  [[Regorafenib]], [[Sertaconazole]], [[Sinecatechins]], [[Sezary syndrome]], [[Spinosad]], [[Tazarotene]], [[Tretinoin]], [[Tolbutamide]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Endocrine'''
| '''Endocrine'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Glucagonoma Syndrome]],  [[Glucagonoma]],  [[Hyperoestrogenic states]],  [[Hyperthyroidism]],  [[Hypothyroidism]]
|-  
|-  
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Environmental'''
| '''Environmental'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Chilblains]],  [[Environmental factors]],  [[Heat rash]],  [[Heatstroke]],  [[Photosensitivity]],  [[Radiation burn]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
| '''Gastroenterologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Alcoholic Hepatitis]],  [[Cirrhosis]],  [[Colitis]],  [[Hepatic failure]],  [[Hepatitis B]],  [[Hepatitis C]],  [[Liver cirrhosis]],  [[Obstructive biliary disease]],  [[Palmar erythema]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Genetic'''
| '''Genetic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Bloom syndrome]],  [[C1 esterase inhibitor deficiency]],  [[CHILD syndrome]],  [[Chondrodystrophia calcificans congenita]],  [[Chondrodystrophia punctata]],  [[Chromosome 9q deletion syndrome]],  [[Chronic recurrent multifocal osteomyelitis]],  [[Complement 5 deficiency]],  [[Conradi-Hunermann Syndrome]],  [[Davis syndrome]],  [[Familial cold urticaria]],  [[Giroux-Barbeau syndrome]],  [[Gitelman syndrome]], [[Gottron syndrome]],  [[Hereditary C2 deficiency]],  [[Hereditary C4 deficiency]],  [[Hyper-IgE syndrome]],  [[Immunodeficiency with short limb dwarfism]],  [[Majeed syndrome]],  [[Microphthalmia-dermal aplasia-sclerocornea syndrome]],  [[Nephroblastomatosis, fetal ascites, macrosomia and Wilms tumor]],  [[Nephroblastomatosis]],  [[Nonbullous congenital ichthyosiform erythroderma]],  [[Omenn syndrome]],  [[Oudsthoorn disease]],  [[Recurrent hereditary polyserositis]],  [[Roberts syndrome]],  [[Sjogren-Larsson syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Iatrogenic'''
| '''Iatrogenic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Bacillus Calmette–Guérin vaccine]],  [[Radiotherapy]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Infectious Disease'''
| '''Infectious Disease'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Arcanobacterium haemolyticum]],  [[Athlete's foot]],  [[Atypical measles syndrome]],  [[Bannwarrth syndrome]],  [[Blastomyces dermatitidis]],  [[Blastomycosis]],  [[Borrelia burgdorferi]],  [[Boutonneuse fever]],  [[Candida paronychia]],  [[Candidiasis]],  [[Cat scratch disease]],  [[Cellulitis]],  [[Chancroid]],  [[Chickenpox]],  [[Chikungunya]],  [[Chlamydia infection]],  [[Chlamydia psittaci]],  [[Chlamydia trachomatis]],  [[Coccidioides immitis]],  [[Coccidioidomycosis]],  [[Coxsackie]],  [[Cutaneous larva migrans]],  [[Cutaneous leishmaniasis]],  [[Dengue]],  [[Dermatophytids]],  [[Disseminated gonococcal infection]],  [[Edwardsiella tarda infection]],  [[Ehrlichiosis]],  [[Epstein Barr virus]],  [[Erythrovirus]],  [[Escherichia coli O157:H7]],  [[Fifth disease]],  [[Gnathostomiasis]],  [[Granuloma inguinale]],  [[Hand foot syndrome]],  [[Haverhill fever]],  [[Herpes simplex]],  [[Hibernian fever]],  [[Histoplasmosis]],  [[Human immunodeficiency virus]],  [[Infection]],  [[Infectious mononucleosis]],  [[Latent tuberculosis]],  [[Leishmaniasis]],  [[Lenalidomide]],  [[Leprosy]],  [[Leptospirosis]],  [[Levomepromazine]],  [[Loiasis]],  [[Lyme disease]],  [[Lymphogranuloma venereum]],  [[Measles]],  [[Mycobacterium leprae]],  [[Mycobacterium marinum]],  [[Mycobacterium tuberculosis]],  [[Mycoplasma pneumoniae]],  [[Mycoplasma]],  [[Neisseria meningitidis]],  [[Onchocerciasis]],  [[Orthopoxvirus]],  [[Parvovirus B19]],  [[Perinatal infection]],  [[Protothecosis]],  [[Psittacosis]],  [[Rat-bite fever]],  [[Relapsing fever]],  [[Rheumatic fever]],  [[Rickettsia conorii]],  [[Rickettsia orientalis]],  [[Rickettsia prowazekii]],  [[Rickettsia tsutsugamushi]],  [[Rickettsia typhi]],  [[Rickettsialpox]],  [[Rocky Mountain spotted fever]],  [[Rubella]],  [[Rubeola]],  [[Salmonella typhi]],  [[Sarcoptes scabiei]],  [[Scabies]],  [[Scarlet fever]],  [[Shingles]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal/Orthopedic'''
| '''Musculoskeletal/Orthopedic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Myositis]],  [[Necrotising fascitis]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Neurologic'''
| '''Neurologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Autonomic dysreflexia]],  [[Burning Feet Syndrome]],  [[Glioblastoma multiforme]],  [[Morton's neuroma]],  [[Peripheral neuropathy]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Nutritional/Metabolic'''
| '''Nutritional/Metabolic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Pellagra]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Pruritic Urticarial Papules and Plaques of Pregnancy]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Oncologic'''
| '''Oncologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Cutaneous T-cell lymphoma]],  [[Hypertrophic pulmonary osteoarthropthy]],  [[Lymphomatoid granulomatosis]],  [[Non-Hodgkin lymphoma]],  [[Paraneoplastic syndrome]],  [[Sezary syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Renal/Electrolyte'''
| '''Renal/Electrolyte'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Gitelman syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Rheumatology/Immunology/Allergy'''
| '''Rheumatology/Immunology/Allergy'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Allergic contact dermatitis]],  [[Allergies]],  [[Autoimmune disorders]],  [[Behcet's Disease]],  [[Blau syndrome]],  [[Chronic necrotizing vasculitis]],  [[Crohn disease]],  [[Dermatomyositis]],  [[Discoid lupus erythematosus]],  [[Ethylenediamine dihydrochloride mix allergy]],  [[Graft versus host disease]],  [[Hypersensitivity]],  [[IgE mediated gastrointestinal food allergy]],  [[Inflammatory bowel disease]],  [[Insect allergy]],  [[Interleukin-2]],  [[Isothiazolinone allergy]],  [[Lupus erythematosus]],  [[Mercaptobenzothiazole allergy]],  [[Mixed Connective Tissue Disorder]],  [[Morphine allergy]],  [[Neonatal lupus syndrome]],  [[Non-Food Allergy]],  [[Novacaine drug allergy]],  [[P-Phenylenediamine allergy]],  [[Penicillin allergy]],  [[Polychondritis]],  [[Psoriasis]],  [[Pyoderma gangrenosum]],  [[Reiter's syndrome]],  [[Rheumatoid arthritis]],  [[Scleredema adultorum]],  [[Scleroderma]],  [[Senear-Usher syndrome]],  [[Skin allergy]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Miscellaneous'''
| '''Miscellaneous'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[Brachioradial pruritus]],  [[Burns]],  [[Cyanea sting]],  [[Excess friction and sweating]],  [[Injury]],  [[Insect bite]],  [[Mosquito]],  [[Necrolytic migratory erythema]],  [[Palmar plantar erythrodysesthesia]],  [[Panniculitis]],  [[Reflex sympathetic osteodystrophy]],  [[Sarcoidosis]]
|-
|-
|}
|}


===Causes in Alphabetical Order===
===Causes in Alphabetical Order===
{{MultiCol}}
*[[1-Amino-2-propanol]]
*[[1-Pentanethiol]]
*[[1,2-Dibromoethane]]
*[[2-Amino-2-methylpropanol]]
*[[2,4,6-Trinitrotoluene]]
*[[3-Aminopyridine]]
*[[4-Aminopyridine]]
*[[Abalone poisoning]]
*[[Acetazolamide]]
*[[Acetic acid]]
*[[Acetylcysteine]]
*[[Acne rosasea]]
*[[Acne]]
*[[Acrodermatitis chronica atrophicans]]
*[[Acrolein]]
*[[Acute pesticide poisoning]]
*[[Acyclovir]]
*[[Adverse reaction to chemical]]
*[[Alclometasone]]
*[[Alcohol flush reaction]]
*[[Alcohol tolerance]]
*[[Alcoholic Hepatitis]]
*[[Alcoholism]]
*[[Allergic contact dermatitis]]
*[[Allergies]]
*[[Allopurinol]]
*[[Allyl Glycidyl Ether]]
*[[Allylamines]]
*[[Aluminum Phosphide]]
*[[Amifostine]]
*[[Aminopterin]]
*[[Ammonium bituminosulfonate]]
*[[Ammonium nitrate ingestion]]
*[[Ammonium Nitrate]]
*[[Ammonium Sulfamate]]
*[[Amylcinnamic alcohol]]
*[[Angioedema]]
*[[Anisole]]
*[[Anisyl alcohol]]
*[[Antibiotics]]
*[[Anticonvulsants]]
*[[Antihypertensive drug allergy]]
*[[Aphthous ulcer]]
*[[Arcanobacterium haemolyticum]]
*[[Asparagus Fern poisoning]]
*[[Aspirin]]
*[[Athlete's foot]]
*[[Atypical measles syndrome]]
*[[Australian Umbrella Tree poisoning]]
*[[Autoimmune disorders]]
*[[Autonomic dysreflexia]]
*[[Axitinib]]
*[[Bacillus Calmette–Guérin vaccine]]
*[[Bannwarrth syndrome]]
*[[Barbiturates]]
*[[Barium Nitrate]]
*[[Bazin disease]]
*[[Bedsores]]
*[[Behcet's Disease]]
*[[Benaldehyde]]
*[[Benomyl]]
*[[Benoxaprofen]]
*[[Benyl alcohol]]
*[[Benyl salicylate]]
*[[Benzanthrone]]
*[[Benzodiazepines]]
*[[Beta-lactam antibiotic]]
*[[Bezafibrate]]
*[[Biphenyl]]
*[[Blastomyces dermatitidis]]
*[[Blastomycosis]]
*[[Blau syndrome]]
*[[Bleeding heart (plant) poisoning]]
*[[Bleomycin]]
*[[Bloom syndrome]]
*[[Borrelia burgdorferi]]
*[[Boutonneuse fever]]
*[[Boxwood poisoning]]
*[[Brachioradial pruritus]]
*[[Brazilian pemphigus foliaceus]]
*[[Brentuximab vedotin]]
*[[Bromates]]
*[[Bromides]]
*[[Bronchial adenomata syndrome]]
*[[Bullous palmoplantar erythrodysesthesia]]
*[[Bullous Pemphigoid]]
*[[Burning Feet Syndrome]]
*[[Burns]]
*[[Butyl Alcohol]]
*[[C1 esterase inhibitor deficiency]]
*[[Cabozantinib]]
*[[Calcium hypochlorite]]
*[[Candelabra cactus poisoning]]
*[[Candida paronychia]]
*[[Candidiasis]]
*[[Capecitabine]]
*[[Caper spruge poisoning]]
*[[Carbamazepine]]
*[[Carbon Tetrachloride]]
*[[Cat scratch disease]]
*[[Caterpillar complication poisoning]]
*[[Celgene]]
*[[Cellulitis]]
*[[Chancroid]]
*[[Chemical allergy]]
*[[Chemical burn]]
*[[Chemical poisoning]]
*[[Chickenpox]]
*[[Chikungunya]]
*[[Chilblains]]
*[[CHILD syndrome]]
*[[Chlamydia infection]]
*[[Chlamydia psittaci]]
*[[Chlamydia trachomatis]]
*[[Chloasma]]
*[[Chlorambucil]]
*[[Chlordecone]]
*[[Chlormezanone]]
*[[Chloromethane]]
*[[Chloroquine]]
*[[Chlorpromazine]]
*[[Chlorpropamide]]
*[[Chondrodystrophia calcificans congenita]]
*[[Chondrodystrophia punctata]]
*[[Chrome contact allergy]]
*[[Chromosome 9q deletion syndrome]]
*[[Chronic necrotizing vasculitis]]
*[[Chronic recurrent multifocal osteomyelitis]]
*[[Churee poisoning]]
*[[Cinnamic alcohol]]
*[[Cinnamic aldehyde]]
*[[Cirrhosis]]
*[[Clematis poisoning]]
*[[Clindamycin]]
*[[Clobetasol propionate]]
*[[Clofazimine]]
*[[Clofibrate]]
*[[Coccidioides immitis]]
*[[Coccidioidomycosis]]
*[[Cold panniculitis of Haxthausen]]
*[[Colitis]]
*[[Complement 5 deficiency]]
*[[Conradi-Hunermann Syndrome]]
*[[Contact dermatitis]]
*[[Coumarin]]
*[[Coxsackie]]
*[[Crohn disease]]
*[[Crown of Thorns poisoning]]
*[[Cutaneous larva migrans]]
*[[Cutaneous leishmaniasis]]
*[[Cutaneous T-cell lymphoma]]
*[[Cyanea sting]]
*[[Cyclohexanol]]
*[[Cyclohexanone]]
*[[Cypress spurge poisoning]]
*[[Cytosine arabinoside]]
*[[Dabrafenib]]
*[[Dandruff]]
*[[Dapsone]]
*[[Davis syndrome]]
*[[Dengue]]
*[[Dermatitis ab igne]]
*[[Dermatitis]]
*[[Dermatomyositis]]
*[[Dermatophytids]]
*[[Dermatosis]]
*[[Desmopressin]]
*[[Devil's trumpet poisoning]]
*[[Dexamethasone]]
*[[Diaper rash]]
*[[Diclofenac]]
*[[Diltiazem]]
*[[Diphenhydramine]]
*[[Discoid lupus erythematosus]]
*[[Disseminated gonococcal infection]]
*[[Docetaxel]]
*[[Doxorubicin]]
*[[Drug Allergies]]
*[[Duhring-Brocq disease]]
*[[Ecthyma gangrenosum]]
*[[Eczema]]
*[[Edwardsiella tarda infection]]
*[[Eflornithine]]
*[[Ehrlichiosis]]
*[[Eicosanoid]]
*[[Elephant's-ear poisoning]]
*[[Enfuvirtide]]
*[[Environmental factors]]
*[[Epidemic dropsy]]
*[[Epstein Barr virus]]
*[[Erlotinib]]
*[[Erysipelas]]
*[[Erythema ab igne]]
*[[Erythema annulare centrifugum]]
*[[Erythema annulare]]
*[[Erythema chronicum migrans]]
*[[Erythema craquele]]
{{ColBreak}}
*[[Erythema elevatum diutinum]]
*[[Erythema induratum]]
*[[Erythema infectiosum]]
*[[Erythema marginatum]]
*[[Erythema migrans]]
*[[Erythema multiforme]]
*[[Erythema neonatorum]]
*[[Erythema nodosum]]
*[[Erythema toxicum]]
*[[Erythrokeratodermia variabilis et progressiva]]
*[[Erythrokeratodermia variabilis]]
*[[Erythromelalgia]]
*[[Erythropoietic protoporphyria]]
*[[Erythrovirus]]
*[[Escherichia coli O157:H7]]
*[[Ethotoin]]
*[[Ethylenediamine dihydrochloride mix allergy]]
*[[Etravirine]]
*[[Eucalyptus poisoning]]
*[[Eugenol]]
*[[Euphorbium poisoning]]
*[[Everolimus]]
*[[Excess friction and sweating]]
*[[Exfoliative erythroderma syndrome]]
*[[False cactus poisoning]]
*[[Familial cold urticaria]]
*[[Fifth disease]]
*[[Fishtail palm poisoning]]
*[[Flax poisoning]]
*[[Flowering spurge poisoning]]
*[[Floxuridine]]
*[[Flucytosine]]
*[[Fluorouracil]]
*[[Flushing]]
*[[Fosamprenavir]]
*[[Garden chrysanthemum poisoning]]
*[[Geraniol]]
*[[Geranium poisoning]]
*[[Ginger lily poisoning]]
*[[Giroux-Barbeau syndrome]]
*[[Gitelman syndrome]]
*[[Glioblastoma multiforme]]
*[[Glucagonoma Syndrome]]
*[[Glucagonoma]]
*[[Gnathostomiasis]]
*[[Gold salts]]
*[[Gottron syndrome]]
*[[Graft versus host disease]]
*[[Granuloma inguinale]]
*[[Granulosis rubra nasi]]
*[[Hand foot syndrome]]
*[[Harlequin-type ichthyosis]]
*[[Haverhill fever]]
*[[Heat rash]]
*[[Heatstroke]]
*[[Heliotrope poisoning]]
*[[Hepatic failure]]
*[[Hepatitis B]]
*[[Hepatitis C]]
*[[Herbal Agent]]
*[[Hereditary C2 deficiency]]
*[[Hereditary C4 deficiency]]
*[[Herpes simplex]]
*[[Hibernian fever]]
*[[High Melting Explosive]]
*[[Histoplasmosis]]
*[[Histrelin]]


*a...
*[[Hops poisoning]]
*z...
*[[Houseleek poisoning]]
 
*[[Human immunodeficiency virus]]
*[[Hydraine]]
*[[Hydralazine]]
*[[Hydroid poisoning]]
*[[Hydroxycarbamide]]
*[[Hydroxycitronellal]]
*[[Hydroxocobalamin]]
*[[Hyoscine]]
*[[Hyper-IgE syndrome]]
*[[Hyperoestrogenic states]]
*[[Hypersensitivity]]
*[[Hyperthyroidism]]
*[[Hypertrophic pulmonary osteoarthropthy]]
*[[Hypothyroidism]]
*[[Ibritumomab tiuxetan]]
*[[Ibuprofen]]
*[[Ichthyosis]]
*[[Idarubicin]]
*[[IgE mediated gastrointestinal food allergy]]
*[[Immunodeficiency with short limb dwarfism]]
*[[Impetigo herpetiformis]]
*[[Impetigo]]
*[[Incontinentia pigmenti]]
*[[Infection]]
*[[Infectious mononucleosis]]
*[[Inflammatory bowel disease]]
*[[Injury]]
*[[Insect allergy]]
*[[Insect bite]]
*[[Interleukin-2]]
*[[Intertrigo]]
*[[Ipilimumab]]
*[[Isoeugenol]]
*[[Isoniazid]]
*[[Isothiazolinone allergy]]
*[[Ixabepilone]]
*[[Japanese Boxwood poisoning]]
*[[Jimsonweed poisoning]]
*[[Kawasaki disease]]
*[[Ketoprofen]]
*[[Lamellar ichthyosis]]
*[[Lamotrigine]]
*[[Lapatinib ditosylate]]
*[[Latent tuberculosis]]
*[[Leatherwood poisoning]]
*[[Leflunomide]]
*[[Leishmaniasis]]
*[[Lenalidomide]]
*[[Leprosy]]
*[[Leptospirosis]]
*[[Levomepromazine]]
*[[Lewisite]]
*[[Liver cirrhosis]]
*[[Loiasis]]
*[[Lomotil]]
*[[Lupus erythematosus]]
*[[Lyme disease]]
*[[Lymphogranuloma venereum]]
*[[Lymphomatoid granulomatosis]]
*[[Maidenhair tree poisoning]]
*[[Majeed syndrome]]
*[[Majocchi disease]]
*[[Maprotiline]]
*[[Maté (herbal agent) adverse reaction]]
*[[Measles]]
*[[Melasma]]
*[[Meprobamate]]
*[[Merbromin]]
*[[Mercaptobenzothiazole allergy]]
*[[Mercury poisoning]]
*[[Methamidophos]]
*[[Methscopolamine]]
*[[Methyl Bromide]]
*[[Methyl Isocyanate]]
*[[Methyl Tert-Butyl Ether]]
*[[Methyldopa]]
*[[Methyldopate]]
*[[Methylene Chloride]]
*[[Methylphenidate]]
*[[Metronidazole]]
*[[Microphthalmia-dermal aplasia-sclerocornea syndrome]]
*[[Milkbush poisoning]]
*[[Millian erythema]]
*[[Mixed Connective Tissue Disorder]]
*[[Modafinil]]
*[[Morphine allergy]]
*[[Morpholine]]
*[[Morton's neuroma]]
*[[Mosquito]]
*[[Mucositis]]
*[[Musk ambrette]]
*[[Mycobacterium leprae]]
*[[Mycobacterium marinum]]
*[[Mycobacterium tuberculosis]]
*[[Mycoplasma pneumoniae]]
*[[Mycoplasma]]
*[[Myositis]]
*[[N-Butyl Chloride]]
*[[N-Methyl-2-Pyrrolidone]]
*[[Necrolytic migratory erythema]]
*[[Necrotising fascitis]]
*[[Necrotising microvasculitis]]
*[[Neisseria meningitidis]]
*[[Neonatal lupus syndrome]]
*[[Nephroblastomatosis]]
*[[Nevirapine]]
*[[Nitric Acid]]
*[[Nitroethane]]
*[[Nitrofen]]
*[[Nitrogen Dioxide]]
*[[Nitromethane]]
*[[Non-Food Allergy]]
*[[Non-Hodgkin lymphoma]]
*[[Nonbullous congenital ichthyosiform erythroderma]]
*[[Novacaine drug allergy]]
*[[Oak moss absolute]]
*[[Obstructive biliary disease]]
*[[Omenn syndrome]]
*[[Onchocerciasis]]
*[[Oral contraceptives]]
*[[Orf]]
*[[Orthopoxvirus]]
*[[Oudsthoorn disease]]
*[[Oyster plant poisoning]]
*[[P-Phenylenediamine allergy]]
*[[Palmar erythema]]
*[[Palmar plantar erythrodysesthesia]]
{{ColBreak}}
*[[Panniculitis]]
*[[Papular mucinosis]]
*[[Paracetamol]]
*[[Paraneoplastic syndrome]]
*[[Paraphenylenediamine]]
*[[Parvovirus B19]]
*[[Pazopanib]]
*[[Peeling skin syndrome]]
*[[Pellagra]]
*[[Penicillamine]]
*[[Penicillin allergy]]
*[[Penicillins]]
*[[Pentaborane]]
*[[Pentachlorophenol]]
*[[Peplomycin]]
*[[Pepper Spray]]
*[[Peppermint Oil (herbal agent) ]]
*[[Perazine]]
*[[Perinatal infection]]
*[[Peripheral neuropathy]]
*[[Perlman syndrome]]
*[[Peruvian lily poisoning]]
*[[Phenobarbital]]
*[[Phenolphthalein]]
*[[Phenylbutazone]]
*[[Phenytoin]]
*[[Phlebitis]]
*[[Photosensitivity]]
*[[Phthalthrin]]
*[[Phytophotodermatitis]]
*[[Piggyback plant poisoning]]
*[[Pineapple sap poisoning]]
*[[Pipothiazine]]
*[[Pityriasis rubra pilaris]]
*[[Pityriasis rubra]]
*[[Plant poisoning (Datura stramonium)]]
*[[Plant poisoning (Datura suaveolans)]]
*[[Plant poisoning (Euphorbiaceae)]]
*[[Plumbago poisoning]]
*[[Poinsettia poisoning]]
*[[Polychondritis]]
*[[Pomalidomide]]
*[[Potassium iodide]]
*[[Primidone]]
*[[Primrose poisoning]]
*[[Procainamide]]
*[[Procarbazine]]
*[[Prosector's wart]]
*[[Protothecosis]]
*[[Pruritic Urticarial Papules and Plaques of Pregnancy]]
*[[Psittacosis]]
*[[Psoriasis]]
*[[Pyoderma gangrenosum]]
*[[Pyrethrin]]
*[[Pyridine]]
*[[Quinine]]
*[[Radiation burn]]
*[[Radiotherapy]]
*[[Rat-bite fever]]
*[[Recurrent hereditary polyserositis]]
*[[Reflex sympathetic osteodystrophy]]
*[[Regorafenib]]
*[[Reiter's syndrome]]
*[[Relapsing fever]]
*[[Rheumatic fever]]
*[[Rheumatoid arthritis]]
*[[Rhinophyma]]
*[[Rickettsia conorii]]
*[[Rickettsia orientalis]]
*[[Rickettsia prowazekii]]
*[[Rickettsia tsutsugamushi]]
*[[Rickettsia typhi]]
*[[Rickettsialpox]]
*[[Roberts syndrome]]
*[[Rocky Mountain spotted fever]]
*[[Rosacea]]
*[[Roseola infantum]]
*[[Rowell syndrome]]
*[[Rubella]]
*[[Rubeola]]
*[[Saddleback caterpillar poisoning]]
*[[Salmonella typhi]]
*[[Sandalwood oil]]
*[[Sarcoidosis]]
*[[Sarcoptes scabiei]]
*[[Sassafras Oil (herbal agent) ]]
*[[Scabies]]
*[[Scarlet fever]]
*[[Scleredema adultorum]]
*[[Scleroderma]]
*[[Sea onion poisoning]]
*[[Sea wasp poisoning (Chironex fleckeri)]]
*[[Sea wasp poisoning (Chiropsalmus quadrigatus)]]
*[[Sea wasp poisoning]]
*[[Seborrheic dermatitis]]
*[[Seborrheic keratosis]]
*[[Selenium Dioxide]]
*[[Senear-Usher syndrome]]
*[[Senecio poisoning]]
*[[Sezary syndrome]]
*[[Shingles]]
*[[Sjogren-Larsson syndrome]]
*[[Skin allergy]]
*[[Snake plant poisoning]]
*[[Snakebite]]
*[[Sneddon-Wilkinson syndrome]]
*[[Snow-on-the-mountain poisoning]]
*[[Sodium Aide]]
*[[Sodium Hypochlorite]]
*[[Sodium Oleate]]
*[[Solar radiation]]
*[[Sorafenib]]
*[[Southern tick-associated rash illness]]
*[[Sparfloxacin]]
*[[Spectinomycin]]
*[[Spiderwort poisoning]]
*[[Spirillum minus]]
*[[Sporothrix schenckii]]
*[[Spurge poisoning]]
*[[Staphylococcal scalded skin syndrome]]
*[[Staphylococcal toxic shock syndrome]]
*[[Staphylococcus aureus]]
*[[Stethoscope induced allergies]]
*[[Stevens-Johnson syndrome]]
*[[Still disease]]
*[[Streptobacillus moniliformis]]
*[[Streptococcal Group A invasive disease]]
*[[Streptococcus Group A]]
*[[Streptococcus]]
*[[Streptomycin]]
*[[Streptozocin]]
*[[Sulfa antibiotics allergy]]
*[[Sulfonamides]]
*[[Sulfonylureas]]
*[[Sulphasalazine]]
*[[Sulphonamides]]
*[[Sunburn]]
*[[Suramin]]
*[[Sweet's syndrome]]
*[[Syphilis]]
*[[Systemic lupus erythematosus]]
*[[T cell lymphoma]]
*[[Tanapox]]
*[[Tegafur]]
*[[Terbinafine]]
*[[Tetrachloroethane]]
*[[Tetrachloroethylene]]
*[[Tetracyclines]]
*[[Tetrahydrofuran]]
*[[Tetramethrin]]
*[[Tetryl]]
*[[Thalidomide]]
*[[Thiabendazole]]
*[[Thiacetazone]]
*[[Thimbleweed poisoning]]
*[[Thiram]]
*[[Thorium]]
*[[Thrombophlebitis]]
*[[Tinea]]
*[[Toxic epidermal necrolysis]]
*[[Toxic shock syndrome]]
*[[Toxicodendron dermatitis]]
*[[Toxoplasma gondii]]
*[[Trametinib]]
*[[Transient acantholytic dermatosis]]
*[[Trauma]]
*[[Tretinoin]]
*[[Trichloroethane]]
*[[Triethanolamine]]
*[[Trumpet Creeper poisoning]]
*[[Trypanosoma cruzi]]
*[[Tuberculoid leprosy]]
*[[Tuberculosis]]
*[[Tularemia]]
*[[Tulip poisoning]]
*[[Ulcerative colitis]]
*[[Ultraviolet exposure]]
*[[Urticaria]]
*[[Vancomycin]]
*[[Vandetanib]]
*[[Vasculitis]]
*[[Vemurafenib]]
*[[Vibrio vulnificus]]
*[[Viral hemorrhagic fever]]
*[[Vitamin A]]
*[[Whipworm infestation]]
*[[Wood tar]]
*[[Xerotic eczema]]
*[[Xylene]]
*[[Yersinia enterocolitica]]
*[[Yersinia infection]]
*[[Yersinia pestis]]
*[[Yersinia pseudotuberculosis]]
*[[Yersinia]]
*[[Zonisamide]]
{{EndMultiCol}}


==Associated conditions==
==Associated conditions==
Line 171: Line 760:


In about 30-50% of cases, the cause of Erythema is unknown.
In about 30-50% of cases, the cause of Erythema is unknown.
==Differentiating Erythema from Other Diseases==
Different [[rash]]-like conditions can be confused with [[erythema]] and are thus included in its differential diagnosis. The various conditions that should be differentiated from [[erythema]] include:<ref name="pmid25250996">{{cite journal| author=Hartman-Adams H, Banvard C, Juckett G| title=Impetigo: diagnosis and treatment. | journal=Am Fam Physician | year= 2014 | volume= 90 | issue= 4 | pages= 229-35 | pmid=25250996 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25250996  }} </ref><ref name="pmid27265069">{{cite journal| author=Mehta N, Chen KK, Kroumpouzos G| title=Skin disease in pregnancy: The approach of the obstetric medicine physician. | journal=Clin Dermatol | year= 2016 | volume= 34 | issue= 3 | pages= 320-6 | pmid=27265069 | doi=10.1016/j.clindermatol.2016.02.003 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27265069  }} </ref><ref name="MooreSeward2006">{{cite journal|last1=Moore|first1=Zack S|last2=Seward|first2=Jane F|last3=Lane|first3=J Michael|title=Smallpox|journal=The Lancet|volume=367|issue=9508|year=2006|pages=425–435|issn=01406736|doi=10.1016/S0140-6736(06)68143-9}}</ref><ref name="pmid26612370">{{cite journal| author=Ibrahim F, Khan T, Pujalte GG| title=Bacterial Skin Infections. | journal=Prim Care | year= 2015 | volume= 42 | issue= 4 | pages= 485-99 | pmid=26612370 | doi=10.1016/j.pop.2015.08.001 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26612370  }} </ref><ref name="pmid26566601">{{cite journal| author=Ramoni S, Boneschi V, Cusini M| title=Syphilis as "the great imitator": a case of impetiginoid syphiloderm. | journal=Int J Dermatol | year= 2016 | volume= 55 | issue= 3 | pages= e162-3 | pmid=26566601 | doi=10.1111/ijd.13072 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26566601  }} </ref><ref name="pmid25855021">{{cite journal| author=Kimura U, Yokoyama K, Hiruma M, Kano R, Takamori K, Suga Y| title=Tinea faciei caused by Trichophyton mentagrophytes (molecular type Arthroderma benhamiae ) mimics impetigo : a case report and literature review of cases in Japan. | journal=Med Mycol J | year= 2015 | volume= 56 | issue= 1 | pages= E1-5 | pmid=25855021 | doi=10.3314/mmj.56.E1 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25855021  }} </ref><ref name="pmid23176858">{{cite journal| author=CEDEF| title=[Item 87--Mucocutaneous bacterial infections]. | journal=Ann Dermatol Venereol | year= 2012 | volume= 139 | issue= 11 Suppl | pages= A32-9 | pmid=23176858 | doi=10.1016/j.annder.2012.01.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23176858  }} </ref>
{| class="wikitable"
! style="width: 200px; background: #4479BA; text-align: center;"| {{fontcolor|#FFF|Disease}}
! style="width: 200px; background: #4479BA; text-align: center;"| {{fontcolor|#FFF|Features}}
|-
| style="background: #DCDCDC; padding: 5px;"|[[Impetigo]] 
|
*It commonly presents with pimple-like lesions surrounded by [[erythematous]] [[skin]]. Lesions are [[pustules]], filled with [[pus]], which then break down over 4-6 days and form a thick crust. It's often associated with insect bites, cuts, and other forms of [[trauma]] to the [[skin]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Insect bite]]s
|
* The insect injects [[formic acid]], which can cause an immediate [[skin]] reaction often resulting in a [[rash]] and swelling in the injured area, often with formation of [[vesicles]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Kawasaki disease]]
|
* Commonly presents with high and persistent [[fever]], red [[mucous membranes]] in mouth, "[[strawberry tongue]]", [[swollen lymph nodes]] and [[skin rash]] in early disease, with peeling off of the [[skin]] of the [[hands]], [[feet]] and [[genital area]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Measles]]
|
* Commonly presents with high [[fever]], [[coryza]] and [[conjunctivitis]], with observation of [[oral mucosa|oral mucosal]] lesions ([[Koplik's spots]]), followed by widespread [[skin rash]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Monkeypox]]
|
* The presentation is similar to [[smallpox]], although it is often a milder form, with [[fever]], [[headache]], [[myalgia]], [[back pain]], [[swollen lymph nodes]], a general feeling of discomfort, and exhaustion. Within 1 to 3 days (sometimes longer) after the appearance of [[fever]], the patient develops a papular [[rash]], often first on the face. The lesions usually develop through several stages before crusting and falling off.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Rubella]]
|
* Commonly presents with a facial [[rash]] which then spreads to the [[trunk]] and [[limbs]], fading after 3 days, low grade [[fever]], swollen [[glands]], [[joint pain]]s, [[headache]] and [[conjunctivitis]]. The [[rash]] disappears after a few days with no staining or peeling of the [[skin]]. ''[[Forchheimer's sign]]'' occurs in 20% of cases, and is characterized by small, red [[papules]] on the area of the [[soft palate]].
|-
| style="background: #DCDCDC; padding: 5px;"|Atypical [[measles]]
|
* The symptoms commonly begin about 7-14 days after infection and present as [[fever]], [[cough]], [[coryza]] and [[conjunctivitis]]. Observation of [[Koplik's spots]] is also a characteristic finding in measles.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Coxsackievirus]]
|
* The most commonly caused disease is the [[Coxsackie A]] disease, presenting as ''hand, foot and mouth disease''. It may be [[asymptomatic]] or cause mild [[symptoms]], or it may produce [[fever]] and painful [[blisters]] in the mouth ([[herpangina]]), on the palms and fingers of the hand, or on the soles of the feet. There can also be [[blisters]] in the [[throat]]  or above the [[tonsils]]. Adults can also be affected. The [[rash]], which can appear several days after high temperature and painful sore throat, can be itchy and painful, especially on the hands/fingers and bottom of feet.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Acne]]
|
* It is typical of teenagers, usually appears on the [[face]] and upper neck, but the [[chest]], [[human back|back]] and [[shoulder]]s may have [[acne]] as well. The upper [[arm]]s can also have [[acne]], but lesions found there are often [[keratosis pilaris]], not [[acne]]. The typical [[acne]] lesions are [[comedones]] and [[inflammatory]] [[papules]], [[pustules]], and [[nodules]]. Some of the large [[nodules]] were previously called "[[cyst]]s"
|-
| style="background: #DCDCDC; padding: 5px;"|[[Syphilis]]
|It commonly presents with gneralized systemic [[symptoms]] such as [[malaise]], [[fatigue]], [[headache]] and [[fever]]. [[Skin]] eruptions may be subtle and [[asymptomatic]] It is classically described as:
* Non-pruritic bilateral symmetrical mucocutaneous [[rash]]
* Non-tender regional [[lymphadenopathy]]
* Condylomata lata and
* Patchy [[alopecia]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Molluscum contagiosum]]
|
* The lesions are commonly flesh-colored, dome-shaped, and pearly in appearance. They are often 1-5 millimeters in diameter, with a dimpled center. Generally not painful, but they may itch or become irritated. Picking or scratching the lesions may lead to further [[infection]] or scarring. In about 10% of the cases, [[eczema]] develops around the lesions. They may occasionally be complicated by secondary [[bacterial infections]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Mononucleosis]]
|
* Common [[symptoms]] include low-grade [[fever]] without [[chills]], [[sore throat]], white patches on [[tonsils]] and back of the throat, [[muscle weakness]] and sometime extreme [[fatigue]], tender [[lymphadenopathy]], [[petechial hemorrhage]] and [[skin rash]].
|-
| style="background: #DCDCDC; padding: 5px;"|Toxic [[erythema]]
|
* It is a common [[rash]] in infants, with clustered and [[vesicular]] appearance.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Rat-bite fever]]
|
* It commonly presents with [[fever]], [[chills]], open sore at the site of the bite and [[rash]], which may show red or purple plaques.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Parvovirus B19]]
|
*The [[rash]] of fifth disease is typically described as "slapped cheeks," with [[erythema]] across the cheeks and sparing the nasolabial folds, forehead, and mouth.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Cytomegalovirus]]
|
* The common [[symptoms]] include [[sore throat]], swollen [[lymph nodes]], [[fever]], [[headache]], [[fatigue]], [[weakness]], [[muscle pain]]  and [[loss of appetite]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Scarlet fever]]
|
* It commonly includes [[fever]], punctate red [[macules]] on the hard and soft [[palate]] and [[uvula]] ([[Forchheimer's spots]]), bright red [[tongue]] with a "strawberry" appearance, [[sore throat]] and [[headache]] and [[lymphadenopathy]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Rocky Mountain spotted fever]]
|
* The [[symptoms]] may include [[maculopapular rash]], [[petechial rash]], [[abdominal pain]] and [[joint pain]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Stevens-Johnson syndrome]]
|
* The [[symptoms]] may include [[fever]], [[sore throat]]  and [[fatigue]]. Commonly presents [[ulcers]] and other lesions in the [[mucous membranes]], almost always in the [[mouth]] and lips but also in the genital and anal regions. Those in the mouth are usually extremely painful and reduce the patient's ability to eat or drink. [[Conjunctivitis]] of the eyes occurs in about 30% of children. A [[rash]] of round lesions about an inch across, may arise on the face, trunk, arms and legs, and soles of the feet, but usually not on the scalp.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Varicella-zoster virus]]
|
* It commonly starts as a painful [[rash]] on one side of the face or body. The [[rash]] forms blisters that typically scab over in 7-10 days and clears up within 2-4 weeks.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Chickenpox]]
|
* It commonly starts with [[conjunctival]] and catarrhal [[symptoms]] and then characteristic spots appearing in two or three waves, mainly on the body and head, rather than the hands, becoming itchy raw pox (small open sores which heal mostly without scarring). Touching the fluid from a [[chickenpox]] blister can also spread the disease.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Meningococcemia]]
|
* It commonly presents with [[rash]], [[petechiae]], [[headache]], [[confusion]], and [[stiff neck]], high [[fever]], mental status changes, [[nausea]] and [[vomiting]].
|-
| style="background: #DCDCDC; padding: 5px;"|[[Rickettsialpox|Rickettsial pox]]
|
* The first [[symptom]] is commonly a bump formed by a mite-bite, eventually resulting in a black, crusty scab. Many of the [[symptoms]] are [[flu]]-like including [[fever]], [[chills]], [[weakness]] and [[muscle pain]] but the most distinctive [[symptom]] is the [[rash]] that breaks out, spanning the person's entire body.
|-
| style="background: #DCDCDC; padding: 5px;"|[[Meningitis]]
|
* It commonly presents with [[headache]], [[nuchal rigidity]], [[fever]], [[petechiae]] and [[altered mental status]].
|}


==See also==
==See also==
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{{Diseases of the skin and subcutaneous tissue}}
{{Diseases of the skin and subcutaneous tissue}}
[[Category:Medical signs]]
[[Category:Medical signs]]
[[Category:Symptoms]]
[[Category:Signs and symptoms]]
[[Category:Dermatology]]
[[Category:Dermatology]]
<br>
[[ca:Eritema]]
[[de:Erythema]]
[[es:Eritema]]
[[fr:Érythème]]
[[it:Eritema]]
[[nl:Erytheem]]
[[ja:斑]]
[[pt:Eritema]]
[[ru:Эритема]]
[[uk:Ерітема]]
[[wa:Rodjeur del pea]]


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Latest revision as of 20:01, 18 April 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Erythema is redness of the skin caused by capillary congestion. It can be caused by infection, massage, electrical treatments, acne medication, allergies, exercise or solar radiation (sunburn), and waxing and plucking of the hairs any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy treatment due to patient exposure to ionizing radiation.

Causes

It can be caused by infection, massage, electrical treatment, acne medication, allergies, exercise, solar radiation (sunburn), cutaneous radiation syndrome, niacin administration, vitamin A toxicity, or waxing and tweezing of the hairs—any of which can cause the capillaries to dilate, resulting in redness. Erythema is a common side effect of radiotherapy treatment due to patient exposure to ionizing radiation. Circumoral erythema has been described as a typical sign of acute oleander poisoning by ingestion.

Common Causes

Causes by Organ System

Cardiovascular Kawasaki disease, Lomotil, Necrotising microvasculitis, Phlebitis
Chemical/Poisoning 1-Amino-2-propanol, 1-Pentanethiol, 1,2-Dibromoethane, 2-Amino-2-methylpropanol, 2,4,6-Trinitrotoluene, 3-Aminopyridine, 4-Aminopyridine, Abalone poisoning, Acetic acid, Acrolein, Acute pesticide poisoning, Adverse reaction to chemical, Alclometasone, Alcohol flush reaction, Alcohol tolerance, Alcoholism, Allyl Glycidyl Ether, Allylamines, Aluminum Phosphide, Aminopterin, Ammonium bituminosulfonate, Ammonium nitrate ingestion, Ammonium Nitrate, Ammonium Sulfamate, Amylcinnamic alcohol, Anisole, Anisyl alcohol, Asparagus Fern poisoning, Australian Umbrella Tree poisoning, Benaldehyde, Benomyl, Benyl alcohol, Benyl salicylate, Benzanthrone, Biphenyl, Bleeding heart (plant) poisoning, Boxwood poisoning, Bromates, Bromides, Butyl Alcohol, Candelabra cactus poisoning, Caper spruge poisoning, Carbon Tetrachloride, Caterpillar complication poisoning, Celgene, Chemical allergy, Chemical burn, Chemical poisoning, Chlordecone, Chlormezanone, Chloromethane, Churee poisoning, Cinnamic alcohol, Cinnamic aldehyde, Clematis poisoning, Clobetasol propionate, Crown of Thorns poisoning, Cyclohexanol, Cyclohexanone, Cypress spurge poisoning, Devil's trumpet poisoning, Eflornithine, Elephant's-ear poisoning, Epidemic dropsy, Ethotoin, Eucalyptus poisoning, Eugenol, Euphorbium poisoning, False cactus poisoning, Fishtail palm poisoning, Flax poisoning, Flowering spurge poisoning, Garden chrysanthemum poisoning, Geraniol, Geranium poisoning, Ginger lily poisoning, Gold salts, Heliotrope poisoning, High Melting Explosive, Hops poisoning, Houseleek poisoning, Hydroid poisoning, Hydroxycitronellal,Hydroquinone, Hydroxocobalamin, Isoeugenol, Japanese Boxwood poisoning, Jimsonweed poisoning, Leatherwood poisoning, Lewisite, Lidocaine (cream), Maidenhair tree poisoning, Maprotiline, Merbromin, Mercury poisoning, Methamidophos, Methyl Isocyanate, Methyl Tert-Butyl Ether, Methylene Chloride, Milkbush poisoning, Morpholine, Musk ambrette, N-Butyl Chloride, N-Methyl-2-Pyrrolidone, Nitric Acid, Nitroethane, Nitrofen, Nitrogen Dioxide, Nitromethane, Oak moss absolute, Orf, Oyster plant poisoning, Paraphenylenediamine, Pazopanib, Pentaborane, Pentachlorophenol, Peplomycin, Pepper Spray, Perazine, Peruvian lily poisoning, Phenolphthalein, Phenylbutazone, Phthalthrin, Piggyback plant poisoning, Pineapple sap poisoning, Plant poisoning (Datura stramonium), Plant poisoning (Datura suaveolans), Plant poisoning (Euphorbiaceae), Plumbago poisoning, Poinsettia poisoning, Potassium iodide, Primidone, Primrose poisoning, Pyrethrin, Pyridine, Saddleback caterpillar poisoning, Sandalwood oil, Sassafras Oil (herbal agent) , Sea onion poisoning, Sea wasp poisoning (Chironex fleckeri), Sea wasp poisoning (Chiropsalmus quadrigatus), Sea wasp poisoning, Selenium Dioxide, Senecio poisoning, Snake plant poisoning, Streptozocin, Tavaborole
Dental No underlying causes
Dermatologic Acne rosasea, Acne, Acrodermatitis chronica atrophicans, Angioedema, Aphthous ulcer, Bazin disease, Bedsores, Brazilian pemphigus foliaceus, Bronchial adenomata syndrome, Bullous palmoplantar erythrodysesthesia, Bullous Pemphigoid, Chloasma, Chrome contact allergy, Contact dermatitis, Dandruff, Dermatitis ab igne, Dermatitis, Dermatosis, Diaper rash, Duhring-Brocq disease, Ecthyma gangrenosum, Eczema, Eicosanoid, Enfuvirtide, Erysipelas, Erythema ab igne, Erythema annulare centrifugum, Erythema annulare, Erythema chronicum migrans, Erythema craquele, Erythema elevatum diutinum, Erythema induratum, Erythema infectiosum, Erythema marginatum, Erythema migrans, Erythema multiforme, Erythema neonatorum, Erythema nodosum, Erythema toxicum, Erythrokeratodermia variabilis et progressiva, Erythrokeratodermia variabilis, Erythromelalgia, Erythropoietic protoporphyria, Exfoliative erythroderma syndrome, Flushing, Granulosis rubra nasi, Harlequin-type ichthyosis, Histrelin, Ichthyosis, Impetigo herpetiformis, Impetigo, Incontinentia pigmenti, Intertrigo, Lamellar ichthyosis, Majocchi disease, Melasma, Millian erythema, Mucositis, Palmar erythema, Papular mucinosis, Peeling skin syndrome, Phytophotodermatitis, Pityriasis rubra pilaris, Pityriasis rubra, Prosector's wart, Rhinophyma, Rosacea, Roseola infantum, Rowell syndrome, Seborrheic dermatitis, Seborrheic keratosis
Drug Side Effect Acetazolamide, Acetylcysteine, Acyclovir, Allopurinol, Amifostine, Antibiotics, Anticonvulsants, Antihypertensive drug allergy, Aspirin, Axitinib, Barbiturates, Barium nitrate, Benoxaprofen, Benzodiazepines, Beta-lactam antibiotic, Betamethasone dipropionate, Betamethasone valerate, Bezafibrate, Bleomycin, Brentuximab vedotin, Cabozantinib, Calcium hypochlorite, Capecitabine, Carbamazepine, Cetrorelix, Chlorambucil, Chloroquine, Chlorpromazine, Chlorpropamide, Clindamycin, Clofazimine, Clofibrate, Cold panniculitis of Haxthausen, Coumarin, Cytosine arabinoside, caspofungin acetate, capsaicin, Dabrafenib, D-Aminolevulinic acid,

Dapsone, Degarelix, Desmopressin, Dexamethasone, Diclofenac, Diltiazem, Diphenhydramine, Docetaxel, Doxorubicin, Drug Allergies, Erlotinib, Etravirine, Everolimus, Floxuridine, Flucytosine, Fluorouracil, Fosamprenavir, Gallium Citrate Ga 67, Herbal Agent, Hydraine, Hydralazine, Hydroxycarbamide, Hydrocortisone butyrate, Hyoscine, Ibritumomab tiuxetan, Ibuprofen, Idarubicin, Imiquimod, Ipilimumab, Isoniazid, Ixabepilone, Ketoprofen, Lamotrigine, Lapatinib ditosylate, Leflunomide, Luliconazole, Maté (herbal agent) adverse reaction, Meprobamate, Methscopolamine, Methyl Bromide, Methyldopa, Methyldopate, Methylphenidate, Metronidazole, Modafinil, Muromonab-CD3, Netupitant and palonosetron, Nevirapine, Oral contraceptives,Oxytetracycline, Paracetamol, Penicillamine, Penicillin, Peppermint Oil (herbal agent) , Phenobarbital, Phenytoin, Pipothiazine, Pomalidomide, Procainamide, permethrin, Procarbazine, prednisolone, Retinol, Quinine, Regorafenib, Sertaconazole, Sinecatechins, Sezary syndrome, Spinosad, Tazarotene, Tretinoin, Tolbutamide

Ear Nose Throat No underlying causes
Endocrine Glucagonoma Syndrome, Glucagonoma, Hyperoestrogenic states, Hyperthyroidism, Hypothyroidism
Environmental Chilblains, Environmental factors, Heat rash, Heatstroke, Photosensitivity, Radiation burn
Gastroenterologic Alcoholic Hepatitis, Cirrhosis, Colitis, Hepatic failure, Hepatitis B, Hepatitis C, Liver cirrhosis, Obstructive biliary disease, Palmar erythema
Genetic Bloom syndrome, C1 esterase inhibitor deficiency, CHILD syndrome, Chondrodystrophia calcificans congenita, Chondrodystrophia punctata, Chromosome 9q deletion syndrome, Chronic recurrent multifocal osteomyelitis, Complement 5 deficiency, Conradi-Hunermann Syndrome, Davis syndrome, Familial cold urticaria, Giroux-Barbeau syndrome, Gitelman syndrome, Gottron syndrome, Hereditary C2 deficiency, Hereditary C4 deficiency, Hyper-IgE syndrome, Immunodeficiency with short limb dwarfism, Majeed syndrome, Microphthalmia-dermal aplasia-sclerocornea syndrome, Nephroblastomatosis, fetal ascites, macrosomia and Wilms tumor, Nephroblastomatosis, Nonbullous congenital ichthyosiform erythroderma, Omenn syndrome, Oudsthoorn disease, Recurrent hereditary polyserositis, Roberts syndrome, Sjogren-Larsson syndrome
Hematologic No underlying causes
Iatrogenic Bacillus Calmette–Guérin vaccine, Radiotherapy
Infectious Disease Arcanobacterium haemolyticum, Athlete's foot, Atypical measles syndrome, Bannwarrth syndrome, Blastomyces dermatitidis, Blastomycosis, Borrelia burgdorferi, Boutonneuse fever, Candida paronychia, Candidiasis, Cat scratch disease, Cellulitis, Chancroid, Chickenpox, Chikungunya, Chlamydia infection, Chlamydia psittaci, Chlamydia trachomatis, Coccidioides immitis, Coccidioidomycosis, Coxsackie, Cutaneous larva migrans, Cutaneous leishmaniasis, Dengue, Dermatophytids, Disseminated gonococcal infection, Edwardsiella tarda infection, Ehrlichiosis, Epstein Barr virus, Erythrovirus, Escherichia coli O157:H7, Fifth disease, Gnathostomiasis, Granuloma inguinale, Hand foot syndrome, Haverhill fever, Herpes simplex, Hibernian fever, Histoplasmosis, Human immunodeficiency virus, Infection, Infectious mononucleosis, Latent tuberculosis, Leishmaniasis, Lenalidomide, Leprosy, Leptospirosis, Levomepromazine, Loiasis, Lyme disease, Lymphogranuloma venereum, Measles, Mycobacterium leprae, Mycobacterium marinum, Mycobacterium tuberculosis, Mycoplasma pneumoniae, Mycoplasma, Neisseria meningitidis, Onchocerciasis, Orthopoxvirus, Parvovirus B19, Perinatal infection, Protothecosis, Psittacosis, Rat-bite fever, Relapsing fever, Rheumatic fever, Rickettsia conorii, Rickettsia orientalis, Rickettsia prowazekii, Rickettsia tsutsugamushi, Rickettsia typhi, Rickettsialpox, Rocky Mountain spotted fever, Rubella, Rubeola, Salmonella typhi, Sarcoptes scabiei, Scabies, Scarlet fever, Shingles
Musculoskeletal/Orthopedic Myositis, Necrotising fascitis
Neurologic Autonomic dysreflexia, Burning Feet Syndrome, Glioblastoma multiforme, Morton's neuroma, Peripheral neuropathy
Nutritional/Metabolic Pellagra
Obstetric/Gynecologic Pruritic Urticarial Papules and Plaques of Pregnancy
Oncologic Cutaneous T-cell lymphoma, Hypertrophic pulmonary osteoarthropthy, Lymphomatoid granulomatosis, Non-Hodgkin lymphoma, Paraneoplastic syndrome, Sezary syndrome
Ophthalmologic No underlying causes
Overdose/Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal/Electrolyte Gitelman syndrome
Rheumatology/Immunology/Allergy Allergic contact dermatitis, Allergies, Autoimmune disorders, Behcet's Disease, Blau syndrome, Chronic necrotizing vasculitis, Crohn disease, Dermatomyositis, Discoid lupus erythematosus, Ethylenediamine dihydrochloride mix allergy, Graft versus host disease, Hypersensitivity, IgE mediated gastrointestinal food allergy, Inflammatory bowel disease, Insect allergy, Interleukin-2, Isothiazolinone allergy, Lupus erythematosus, Mercaptobenzothiazole allergy, Mixed Connective Tissue Disorder, Morphine allergy, Neonatal lupus syndrome, Non-Food Allergy, Novacaine drug allergy, P-Phenylenediamine allergy, Penicillin allergy, Polychondritis, Psoriasis, Pyoderma gangrenosum, Reiter's syndrome, Rheumatoid arthritis, Scleredema adultorum, Scleroderma, Senear-Usher syndrome, Skin allergy
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Miscellaneous Brachioradial pruritus, Burns, Cyanea sting, Excess friction and sweating, Injury, Insect bite, Mosquito, Necrolytic migratory erythema, Palmar plantar erythrodysesthesia, Panniculitis, Reflex sympathetic osteodystrophy, Sarcoidosis

Causes in Alphabetical Order


Associated conditions

In about 30-50% of cases, the cause of Erythema is unknown.

Differentiating Erythema from Other Diseases

Different rash-like conditions can be confused with erythema and are thus included in its differential diagnosis. The various conditions that should be differentiated from erythema include:[1][2][3][4][5][6][7]

Disease Features
Impetigo 
  • It commonly presents with pimple-like lesions surrounded by erythematous skin. Lesions are pustules, filled with pus, which then break down over 4-6 days and form a thick crust. It's often associated with insect bites, cuts, and other forms of trauma to the skin.
Insect bites
  • The insect injects formic acid, which can cause an immediate skin reaction often resulting in a rash and swelling in the injured area, often with formation of vesicles.
Kawasaki disease
Measles
Monkeypox
  • The presentation is similar to smallpox, although it is often a milder form, with fever, headache, myalgia, back pain, swollen lymph nodes, a general feeling of discomfort, and exhaustion. Within 1 to 3 days (sometimes longer) after the appearance of fever, the patient develops a papular rash, often first on the face. The lesions usually develop through several stages before crusting and falling off.
Rubella
Atypical measles
Coxsackievirus
  • The most commonly caused disease is the Coxsackie A disease, presenting as hand, foot and mouth disease. It may be asymptomatic or cause mild symptoms, or it may produce fever and painful blisters in the mouth (herpangina), on the palms and fingers of the hand, or on the soles of the feet. There can also be blisters in the throat or above the tonsils. Adults can also be affected. The rash, which can appear several days after high temperature and painful sore throat, can be itchy and painful, especially on the hands/fingers and bottom of feet.
Acne
Syphilis It commonly presents with gneralized systemic symptoms such as malaise, fatigue, headache and fever. Skin eruptions may be subtle and asymptomatic It is classically described as:
Molluscum contagiosum
  • The lesions are commonly flesh-colored, dome-shaped, and pearly in appearance. They are often 1-5 millimeters in diameter, with a dimpled center. Generally not painful, but they may itch or become irritated. Picking or scratching the lesions may lead to further infection or scarring. In about 10% of the cases, eczema develops around the lesions. They may occasionally be complicated by secondary bacterial infections.
Mononucleosis
Toxic erythema
  • It is a common rash in infants, with clustered and vesicular appearance.
Rat-bite fever
  • It commonly presents with fever, chills, open sore at the site of the bite and rash, which may show red or purple plaques.
Parvovirus B19
  • The rash of fifth disease is typically described as "slapped cheeks," with erythema across the cheeks and sparing the nasolabial folds, forehead, and mouth.
Cytomegalovirus
Scarlet fever
Rocky Mountain spotted fever
Stevens-Johnson syndrome
  • The symptoms may include fever, sore throat and fatigue. Commonly presents ulcers and other lesions in the mucous membranes, almost always in the mouth and lips but also in the genital and anal regions. Those in the mouth are usually extremely painful and reduce the patient's ability to eat or drink. Conjunctivitis of the eyes occurs in about 30% of children. A rash of round lesions about an inch across, may arise on the face, trunk, arms and legs, and soles of the feet, but usually not on the scalp.
Varicella-zoster virus
  • It commonly starts as a painful rash on one side of the face or body. The rash forms blisters that typically scab over in 7-10 days and clears up within 2-4 weeks.
Chickenpox
  • It commonly starts with conjunctival and catarrhal symptoms and then characteristic spots appearing in two or three waves, mainly on the body and head, rather than the hands, becoming itchy raw pox (small open sores which heal mostly without scarring). Touching the fluid from a chickenpox blister can also spread the disease.
Meningococcemia
Rickettsial pox
Meningitis

See also

Pathological Findings


Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology

External links

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  1. Hartman-Adams H, Banvard C, Juckett G (2014). "Impetigo: diagnosis and treatment". Am Fam Physician. 90 (4): 229–35. PMID 25250996.
  2. Mehta N, Chen KK, Kroumpouzos G (2016). "Skin disease in pregnancy: The approach of the obstetric medicine physician". Clin Dermatol. 34 (3): 320–6. doi:10.1016/j.clindermatol.2016.02.003. PMID 27265069.
  3. Moore, Zack S; Seward, Jane F; Lane, J Michael (2006). "Smallpox". The Lancet. 367 (9508): 425–435. doi:10.1016/S0140-6736(06)68143-9. ISSN 0140-6736.
  4. Ibrahim F, Khan T, Pujalte GG (2015). "Bacterial Skin Infections". Prim Care. 42 (4): 485–99. doi:10.1016/j.pop.2015.08.001. PMID 26612370.
  5. Ramoni S, Boneschi V, Cusini M (2016). "Syphilis as "the great imitator": a case of impetiginoid syphiloderm". Int J Dermatol. 55 (3): e162–3. doi:10.1111/ijd.13072. PMID 26566601.
  6. Kimura U, Yokoyama K, Hiruma M, Kano R, Takamori K, Suga Y (2015). "Tinea faciei caused by Trichophyton mentagrophytes (molecular type Arthroderma benhamiae ) mimics impetigo : a case report and literature review of cases in Japan". Med Mycol J. 56 (1): E1–5. doi:10.3314/mmj.56.E1. PMID 25855021.
  7. CEDEF (2012). "[Item 87--Mucocutaneous bacterial infections]". Ann Dermatol Venereol. 139 (11 Suppl): A32–9. doi:10.1016/j.annder.2012.01.002. PMID 23176858.