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ICD-10 R43.2
ICD-9 781.1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Mugilan Poongkunran M.B.B.S [2]

Synonyms and Keywords: Bad taste


Parageusia is the medical term for a bad taste in the mouth. One common form of parageusia is a metallic taste of food. Parageusia can be a side effect of several medications, such as acetazolamide, metronidazole, or etoposide.


Life Threatening Causes

Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.

Common Causes

Causes by Organ System

Cardiovascular No underlying causes
Chemical/Poisoning 1,3-Dinitrobenzene, amatoxin-containing mushroom poisoning, fire ant, antimony, bee sting, cadmium, chromium, ciguatera poisoning, clupeotoxin poisoning, crotalinae snake bites, hornet, lead poisoning, manganese, nickel, protoanemonin poisoning, scombrotoxic fish poisoning, scorpion sting, silver, wasp
Dental Acute necrotizing ulcerative gingivitis, cancrum oris, dental caries, gingivostomatitis, glossitis, noma , oral candidiasis, oral hairy leukoplakia, pericoronitis, periodontitis, pulpitis, periapical abscess
Dermatologic No underlying causes
Drug Side Effect 5-fluorouracil, acetazolamide, allopurinol, amiloride, amphetamines, amphotericin B, amrinone, Benzphetamine, beta-lactam antibiotic, bleomycin, bretylium, captopril, carboplatin, chlorhexidine mouth wash, cisplatin, disulfiram, EDTA, enalapril, ethambutol, ethionamide, etidronate, fish oil and marine omega-3 fatty acids, glycopyrrolate, hydrochlorothiazide, hydrocortisone, hyoscyamine, interferon, iodine, isotretinoin, levamisole, lisinopril, methimazole, methotrexate, metronidazole, nifedipine, nitroglycerin, ofloxacin, penicillamine, perflutren protein type A, potassium iodide, spironolactone, sulfasalazine, terbinafine, tetracycline, thallium Sulfate, trichloroethylene, vanadium, vandetanib, ziconotide, zinc
Ear Nose Throat Acute necrotizing ulcerative gingivitis, chronic rhinosinusitis, temporomandibular joint disorders, tongue cancer, tonsil cancer tonsillitis tonsillectomy
Endocrine No underlying causes
Environmental Amatoxin-containing mushroom poisoning, ants(black fire ant, red fire ant and tropical fire ant), antimony, bee sting, cadmium, chromium, ciguatera poisoning, clupeotoxin poisoning, copper toxicity, crotalinae snake bites, glaze, hornet, iodine, lead poisoning, protoanemonin poisoning, rattle snake poisoning, scombrotoxic fish poisoning, scorpion sting, solder, wasp
Gastroenterologic Gastritis, gastroesophageal reflux disease, inflammatory bowel disease, jaundice, liver disorders
Genetic Cystic fibrosis
Hematologic Jaundice
Iatrogenic 1,3-Dinitrobenzene, artificial saliva, chlorhexidine mouth wash, tonsillectomy
Infectious Disease Acute necrotizing ulcerative gingivitis, cancrum oris, chronic rhinosinusitis, dental caries, HIV, influenza, lung abscess, noma, oral candidiasis, pericoronitis, periodontal abscess, periodontitis, pulpitis, periapical abscess
Musculoskeletal/Orthopedic No underlying causes
Neurologic No underlying causes
Nutritional/Metabolic Iron
Obstetric/Gynecologic No underlying causes
Oncologic Oral hairy leukoplakia, tongue cancer, tonsil cancer
Ophthalmologic No underlying causes
Overdose/Toxicity Acute mercury inhalation, aluminium, copper toxicity, thallium sulfate
Psychiatric No underlying causes
Pulmonary Cystic fibrosis, influenza, lung abscess
Renal/Electrolyte No underlying causes
Rheumatology/Immunology/Allergy No underlying causes
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Miscellaneous Alcohol consumption, postnasal drip

Causes by Organ System developed by, Copyleft 2013

Causes in Alphabetical Order


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