Alopecia causes

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

Overview

Scarring alopecia is caused by numerous dermatologic factors, including glabrous skin (non-hairy), and is very difficult to diagnose and manage. Non-scarring alopecia is characterized by the absence of visible inflammation of the skin involved.

Causes

Common Causes

A sudden physical or emotional stress may cause one-half to three-quarters of the hair throughout your scalp to shed (called Telogen effluvium). You will notice hair coming out in handfuls while you shampoo, comb, or run your hands through your hair. You may not notice this for weeks to months after the episode of stress. The hair shedding will decrease over 6 - 8 months.

Cause of this type of hair loss are:

• High fever or severe infection
• Childbirth
• Major surgery, major illness, sudden blood loss
• Severe emotional stress
• Crash diets, especially those that do not contain enough protein
• A number of medications, including retinoids, birth control pills, beta-blockers, certain antidepressants, NSAIDs (including ibuprofen) and calcium channel blockers

Other possible causes of hair loss, especially if it is in an unusual pattern, include:

• Alopecia areata -- bald patches that develop on the scalp, beard, and, possibly, eyebrows. Eyelashes may fall out as well.
• Anemia
• Autoimmune conditions such as lupus
• Burns
• Certain infectious diseases such as syphilis
• Excessive shampooing and blow-drying
• Hormone changes
• Thyroid diseases
• Nervous habits such as continual hair pulling or scalp rubbing
• Radiation therapy
• Tinea capitis (ringworm of the scalp)
• Tumor of the ovary or adrenal glands

Causes in Alphabetical Order

Ablepharon-macrostomia syndrome Aclarubicin Acrokeratosis paraneoplastica of Bazex Actinomycin D Adenal gland tumor Adrenal cortex insufficiency Aging Albendazole Alopecia areata Alopecia cicatrisata Alopecia mucinosa Amiodarone Anemia Antidepressants Atopic dermatitis Autoimmune adrenalitis Bazex-Dupre-Christol syndrome Beta blockers Biotinidase deficiency Birth control pills BRESHECK syndrome Burns Calcium channel blockers Canada-Cronkhite syndrome CARASIL Chagas disease Child birth Chondrodysplasia punctata 2, X-linked dominant Cidofovir Clomifene Colchicine Combined oral contraceptive pill Crash diet Cutaneous T-cell lymphoma Cytosine arabinoside Cytotoxic therapeutic agents Danazol Daunorubicin Dermatopathia pigmentosa reticularis Discoid lupus erythematosus Dissecting cellulitis Doxorubicin Dubowitz syndrome Dwarfism-cerebral atrophy-keratosis follicularis syndrome Dystrophia myotonica type 2 Eflornithine Epidermolysis bullosa with pyloric atresia Epirubicin Erythroderma Etoposide Excessive blow-drying Excessive shampooing Fluoxymesterone Folliculitis Folliculitis decalvans Gestrinone Haemochromatosis Hallermann-Streiff syndrome (HSS) Hay-Wells syndrome Heparin Hidrotic ectodermal dysplasia High fever Holocarboxylase synthase deficiency Hormone changes Hutchinson-Gilford progeria syndrome Hyperthyroidism Hypervitaminosis A Hypohidrotic ectodermal dysplasia, autosomal dominant Hypohidrotic ectodermal dysplasia, autosomal recessive type Hypohidrotic ectodermal dysplasia, X-linked Hypopituitarism Hypothyroidism Hypotrichosis simplex Idarubicin Ifosfamide Incontinentia pigmenti Interferon alpha

Irinotecan Iron deficiency Junctional epidermolysis bullosa, non-Herlitz type Keratitis-ichthyosis-deafness syndrome, autosomal recessive Keratosis follicularis spinulosa decalvans cum op Keratosis follicularis spinulosa decalvans cum ophiasi Lamellar ichthyosis type 2 Leflunomide Lepromatous leprosy Lichen planopilaris Lichen planus Major illness Major surgery Marie Unna hereditary hypotrichosis Melphalan Methotrexate Methylphenidate Mitoxantrone Monilethrix Myositis ossificans progressiva Myotonic dystrophy NSAIDs Orofaciodigital syndrome type 1 Ovarian tumor Oxaliplatin Papular atrichia Parry-Romberg syndrome Pazopanib Perifolliculitis capitis abscedens et suffodiens Pixantrone Pregnancy Proguanil Proteus syndrome Pseudopelade of Brocq Pseudoprogeria syndrome Psoriasis Radiotherapy Retinoids Rosselli-Gulienetti syndrome Schopf-Schulz-Passarge syndrome Secondary syphilis Selenium Severe emotional stress Severe infection Shingles Sorafenib Stanozolol Sudden blood loss Systemic lupus erythematosus Teniposide Teriflunomide Testosterone Thallium Thiotepa Thyroid diseases Tinea capitis Tinea favosa capitis Topotecan Total congenital alopecia Trabectedin Traction alopecia Tribavirin Trichotillomania Tuberculoid leprosy Tufted folliculitis Valproic acid Vasculitis Vemurafenib Vincristine Vismodegib Vitamin D dependent rickets type 2a Vitamin H deficiency Vogt-Koyanagi-Harada syndrome Werner syndrome Woodhouse-Sakati syndrome Zinc deficiency

References

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