I've been dealing with bad breath for a while now, and my tongue always has a white coating with white lesions on it. No matter what I try, the bad breath won't go away. There's also this weird metallic or sulfur-like taste in my mouth, and I feel like I've lost my normal sense of taste. I've had sinus surgery, an endoscopy, and everything seems fine, but the issue still persists. What could be causing this, and how can I fix it?

Answered by 1 Apollo Doctors

Dr Kamran Mohammed

General Practitioner

MBBS
FIDM
5+ Yrs

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The most common cause of a white tongue is poor oral hygiene. Small bumps on the tongue called papillae can swell up and become inflamed in a mouth that is not cared for well. Plenty of germs, debris, food particles, and dead cells can get stuck between these papillae.

Dr. Kamran Suggests...

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Answered 14/08/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.