Certain lifestyle habits and conditions can make people more likely to develop black hairy tongue.

The name - black hairy tongue - may sound scary, but the condition is actually harmless.

A black hairy tongue is caused by too much bacteria or yeast growth in the mouth.

The specific underlying cause of hairy tongue is unknown.

Practicing good oral hygiene is the best way to treat black hairy tongue.

Discoloration usually accompanies hairy tongue, and may be yellow, brown or black.

In India people with Black hairy tongue is said to have the unique quality/power of bringing anything they want on a person/thing.

Keo obeyed, and the creature touched it with its long, hairy tongue.

Transient, surface discoloration that is not associated with hairy tongue can be brushed off.

Hairy tongues like fat black ferns spilled out of them, shivering in the draught of their passing.

Other than the appearance of the tongue, most people with black hairy tongue don't have any symptoms or feel any discomfort.

A sprout with an enormous hairy tongue?'

Hairy tongue: Papillae can overgrow the surface of the tongue, giving it a white or black appearance.

Hairy tongue is a harmless condition in which the tongue looks hairy or furry.

Birth defect - normally occurs in 10% of population Practice good oral hygiene for hairy tongue and black tongue.

Drug induced black hairy tongue specifically refers to BHT that develops because of medication.

A buildup of food and bacteria on the tongue may make the tongue look thick or furry ("hairy tongue").

Hairy leukoplakia occurs on the tongue and has a similar name to hairy tongue, but these are separate conditions with different causes.

Black hairy tongue occurs when the little bumps on your tongue grow long (instead of shedding), and bacteria grow on them.

Phenoxymethylpenicillin is usually well tolerated but may occasionally cause transient nausea, vomiting, epigastric distress, diarrhea, and black hairy tongue.

However, the elongated papillae of hairy tongue usually develop discoloration due to growth of pigment producing bacteria and staining from food.

Hence the term black hairy tongue, although hairy tongue may also be discolored yellow or brown.

Transient surface discoloration of the tongue and other soft tissues in the mouth can be occur in the absence of hairy tongue.

Nausea, vomiting, diarrhea, loss of appetite, mouth sores, black hairy tongue, sore throat, dizziness, headache, or rectal discomfort may occur.

WebMD Medical Reference: "Black Hairy Tongue."