It’s quite distasteful. 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 ...

Yeast infections in the mouth, known medically as oral candidiasis or thrush, can be more than just uncomfortable — they can interfere with your daily life, affecting how you eat, drink, and even ...

A lump inside the mouth can be alarming because it is easy to imagine the worst. In many cases, mouth bumps turn out to be harmless. They may come from irritation, a blocked salivary gland, swollen ...

Infections, injuries, jaw problems, and cancer can all cause mouth pain. The location and type of pain, plus any other symptoms that occur with it, can help with identifying the cause. The pain may ...