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Taste - impaired - Overview

Alternative Names

Loss of taste; Metallic taste; Dysgeusia

Definition of Taste - impaired:

Taste impairment means there is a problem with your sense of taste. Problems range from distorted taste to a complete loss of the sense of taste. However, a complete inability to taste is rare.

Considerations:

The tongue can detect only sweet, salty, sour, and bitter tastes. Much of what is perceived as "taste" is actually smell. People who have taste problems often have a smell disorder that can make it hard to identify a food's flavor. (Flavor is a combination of taste and smell.)

Taste problems can be caused by anything that interrupts the transfer of taste sensations to the brain, or by conditions that affect the way the brain interprets these sensations.

Common Causes:

  • Reviewed last on: 3/3/2009
  • James L. Demetroulakos, MD, FACS, Department of Otolaryngology, North Shore Medical Center, Salem, MA. Clinical Instructor in Otology and Laryngology, Harvard Medical School. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Wrobel BB. Clinical assessment of patients with smell and taste disorders. Otolaryngol Clin North Am. Dec 2004; 37(6):1127-42.

Doty RL. Effects of drugs on olfaction and taste. Otolaryngol Clin North Am. Dec 2004; 37(6):1229-54.

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