They can become dark and lead to "hairy tongue" in up to 13% of the population. They turn brown, black, or even white, pink, or green, in color. Typically, hairy tongue does not cause pain.

A white tongue can be caused by dehydration or yeast and its usually nothing to worry about. Smoking can also cause a white tongue so its important to avoid triggers like cigarettes. If the white ...

White spots on the tongue may be callous-like spots that come from biting down. White spots can also occur if you have an infection like candidiasis or HPV. Squamous cell carcinoma is a type of ...