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 ...

Medically reviewed by Josephine Hessert, DO There are many possible causes for a salty taste in your mouth, ranging from relatively benign conditions, like dehydration and post-nasal drip, to ...

Q: Several months ago, I developed a bad taste in my mouth. I reviewed my medicines with my pharmacist, but none had that side-effect. My dentist said my teeth were OK and a CAT scan of my sinuses ...

Dear Dr. Roach • I have talked to numerous doctors about my problem, but no one has an answer, and most don’t take it seriously. I have a terrible taste in my mouth all the time. Sometimes it is ...

A persistent metallic taste in your mouth seems like an odd symptom to worry about until you realize it can signal serious underlying health problems ranging from medication side effects to kidney ...