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Symptoms

By Mayo Clinic staff

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Photo showing black, hairy tongue 
Black, hairy tongue

Signs and symptoms of black, hairy tongue include:

  • Black, yellow or brown discoloration of the tongue
  • A hairy or furry appearance of the tongue
  • Altered taste or metallic taste in mouth
  • Bad breath (halitosis)
  • Gagging sensation in some people

When to see a doctor
Though unattractive, black, hairy tongue is usually a temporary, harmless condition.

See your doctor if:

  • You're concerned about the appearance of your tongue
  • Your signs and symptoms persist for more than 10 days
References
  1. Mirowski GW, et al. Biology and pathology of the oral cavity. In: Wolff K, et al. Fitzpatrick's Dermatology in General Medicine. 7th ed. New York, N.Y.: The McGraw-Hill Companies; 2008. http://www.accessmedicine.com/content.aspx?aID=2979081. Accessed Jan. 29, 2009.
  2. Gonsalves WC, et al. Common oral lesions: Part I. Superficial mucosal lesions. American Family Physician. 2007;75:501.
  3. Cleaning your teeth and gums (oral hygiene): Overview. American Dental Association. http://www.ada.org/public/topics/cleaning.asp. Accessed Feb. 9, 2009.
  4. Cleaning your teeth and gums (oral hygiene): Frequently asked questions (FAQ). American Dental Association. http://www.ada.org/public/topics/cleaning_faq.asp. Accessed Feb. 9, 2009.
  5. Carr AB (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 24, 2009.

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April 23, 2009

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