Black Hairy Tongue
๐ข Generally Harmless Condition
Black hairy tongue is a generally harmless, mostly cosmetic condition that can look alarming but is typically not a serious health concern.
๐ Symptoms
๐จ Unusual Dark Appearance
Usually black, but could also be shades of brown, white, green, or pink - often affected by secondary factors such as mouthwashes, breath mints, foods, and drinks.
๐ชจ Rough or Hairy Appearance
The surface of the tongue may have a rough texture and/or hairy appearance due to elongated papillae.
๐จ Bad Breath and Taste
Bad breath and/or a bad taste in the mouth may accompany the visual changes.

Typical appearance of Black Hairy Tongue condition
๐ฌ What Causes This Condition?
The Science Behind the "Hairy" Appearance
The "hairy" appearance is a result of a taller-than-normal forest of papillae on the surface of the tongue, which can grow to 15 times their normal length. The extra height comes from an accumulation of keratin (the chief protein found in hair and skin).
๐งฌ The Process
- โข In people with black hairy tongue, not enough keratin is shed
- โข Or possibly too much keratin is being produced at the surface
- โข Normally, papillae are pinkish-white
- โข As they grow, pigments from food, drinks, bacteria, or yeast get caught in the papillae
- โข This dyes the tongue most often black, but can also turn brown, yellow, green, or other colors
โ ๏ธ Who Is Most Commonly Affected?
๐ด Age-Related
The elderly are more commonly affected
๐ฏ Soft Diet
Those missing teeth on soft diets - soft foods don't exfoliate the tongue like rough foods would
๐ฌ Tobacco Use
Tobacco smokers are at increased risk
๐ Antibiotic Overuse
Those undergoing chronic or extensive antibiotic treatment
๐ฆท Poor Oral Hygiene
Inadequate oral care increases risk
โข๏ธ Radiation Treatment
Radiation treatments to the head and neck
โ ๏ธ Secondary Infection Risk: Patients with hairy tongue often may develop a secondary infection of candida (yeast infection).
โฐ Temporary Causes (Not True Black Hairy Tongue)
๐ Medication Effects
Pepto-Bismol or other drugs containing bismuth can cause black discoloration or staining on your tongue for a few days. This is harmless and goes away a few days after stopping the medication.
๐ท Food and Drink Staining
The tongue may also turn dark after eating or drinking certain things such as beetroot or red wine.
๐ Treatment Options
๐ซ Eliminate Possible Causal Factors
๐ฌ Stop Smoking
Eliminate tobacco use completely
๐งด Change Mouthwash
Strong mouthwashes with peroxide, witch hazel, or menthol can cause this condition
๐ Review Antacids
Antacids can also cause black hairy tongue
โ Reduce Coffee/Tea
Heavy coffee/tea consumption may contribute
๐ง Address Dry Mouth
Treat any dry mouth problems
๐ Complete Antibiotics
If antibiotics caused the condition, it may resolve after completing the course
๐ฆท Good Oral Hygiene
๐งฝ Tongue Care Protocol
Scraping the surface of the tongue along with brushing the tongue with baking soda several times a day
๐ฅ Nutritional Support
Since nutritional deficiencies may contribute to this problem, eat a well-balanced diet along with taking vitamin and mineral supplements.
๐ฉบ Medical Treatment
Antibiotics may be warranted if there is a suspicion of candida infection (secondary yeast infection).
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