Your last meal is usually to blame if there’s a bad taste lingering in your mouth — but it could also be a sign you’re sick. So if something’s sour — or stale or rotten or just otherwise gross — read ...

A rash inside the mouth may be the newest symptom of SARS-CoV-2 infection, according to a research letter published online July 15 in JAMA Dermatology. The mucocutaneous lesions appeared in patients ...

Thrush is a yeast infection that can develop in several areas of the body. An oral yeast infection occurs when excess Candida fungus infects a person’s mouth and throat. According to a 2015 article, ...

Tiny flies can transform minor mouth sores into a serious condition known as oral myiasis. This rare occurrence begins when flies lay eggs in open wounds, leading to larvae feeding on damaged tissue.

Deep tooth infections can quietly fuel inflammation that disrupts blood sugar control, and treating them may benefit overall metabolic health.

All you need to know about Hand, Foot and Mouth disease, a common childhood illness that spreads like wildfire through ...