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Differential diagnosis *Bell's Palsy

Hypogeusia is a reduced ability to taste things (to taste sweet, sour, bitter, or salty substances).[1] The complete lack of taste is referred to as ageusia.[1]

Causes of hypogeusia include the chemotherapy drug bleomycin,[1] an antitumor antibiotic, Bell's Palsy, and zinc deficiency among others.[2][3][4][5]


  1. 1.0 1.1 1.2 Ackerman, Bruce H.; Kasbekar, Nishaminy (1997). "Disturbances of Taste and Smell Induced by Drugs". Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy. 17 (3): 482–496. doi:10.1002/j.1875-9114.1997.tb03058.x. ISSN 1875-9114. PMID 9165552. S2CID 12671326. Archived from the original on 2021-02-03. Retrieved 2021-09-24.
  2. Pisano, Michele; Hilas, Olga (2016-05-01). "Zinc and Taste Disturbances in Older Adults: A Review of the Literature". The Consultant Pharmacist. 31 (5): 267–270. doi:10.4140/TCP.n.2016.267. PMID 27178656. Archived from the original on 2021-12-11. Retrieved 2021-09-24.
  3. Heyneman, Catherine A. (2016-06-28). "Zinc Deficiency and Taste Disorders". Annals of Pharmacotherapy. 30 (2): 186–187. doi:10.1177/106002809603000215. PMID 8835055. S2CID 20569450.
  4. Ikeda, M.; Ikui, A.; Komiyama, A.; Kobayashi, D.; Tanaka, M. (25 June 2007). "Causative factors of taste disorders in the elderly, and therapeutic effects of zinc". The Journal of Laryngology & Otology. 122 (2): 155–160. doi:10.1017/S0022215107008833. ISSN 1748-5460. PMID 17592661. S2CID 35435439.
  5. Stewart-Knox, Barbara J.; Simpson, Ellen E. A.; Parr, Heather; Rae, Gordon; Polito, Angela; Intorre, Federica; Sanchez, Maud Andriollo; Meunier, Natalie; O'Connor, Jacqueline M.; Maiani, Giuseppe; Coudray, Charles (26 July 2007). "Taste acuity in response to zinc supplementation in older Europeans". British Journal of Nutrition. 99 (1): 129–136. doi:10.1017/S0007114507781485. ISSN 1475-2662. PMID 17651517. Archived from the original on 16 April 2021. Retrieved 24 September 2021.