User:Mr. Ibrahem/Black hairy tongue

Black hairy tongue (BHT) is a condition in which small bumps on the tongue elongate with typically a black or brown discoloration. Other colors such as green or blue may occur. Other than the appearance; there are generally no further symptoms. Occasionally bad breath, altered taste, or burning may occur.

Risk factors include smoking, alcohol, dry mouth, poor oral hygiene, coffee, poor health, and certain medications. Medications associated with the condition include erythromycin, doxycycline, bismuth, and olanzapine. Diagnosis is generally made based on the appearance, though tissue biopsy may be carried out in unclear cases.

Treatment involves addressing the underlying cause together with good oral care. Gently scrubbing the tongue with a toothbrush may help, as may the use of 3% hydrogen peroxide on the area. Outcomes are good.

Black hairy tongue effects between 1% and 11% of people. It occurs most commonly in those over the age of 40. Males are more commonly affected than females. The condition was first described in 1557 by Amatus Lusitanus.