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September 27, 2026

Bad Breath and a Metallic Taste in Kidney Disease

Why advanced kidney disease can cause a metallic taste and bad breath.

Medically Reviewed By

Artemis Kidney Hospital Nephrology & Transplant Team

See our full team on the Doctors page

A build-up of waste products in the blood can cause a metallic taste and an ammonia-like odour on the breath. Good oral hygiene, rinsing the mouth, and good dialysis control can reduce it. It is usually a late sign, but blood tests clarify the picture.

Medical Disclaimer

This article is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified nephrologist about your own condition.

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Keywords

bad breath kidneymetallic taste kidneyuremic breath