← Back to the blog
Bad Breath and a Metallic Taste in Kidney Disease
✓ Fact-checked against sourced references · Editorial standards
A build-up of waste products in the blood can cause a metallic taste in the mouth and a urine-like or ammonia odour on the breath.
What helps
Good oral hygiene, rinsing the mouth, and good dialysis control of waste products can reduce it.
Frequently asked questions
Is bad breath a sign of kidney failure?
It can be a late sign, but has many other causes. Blood tests clarify.
Sources
Related articles
Educational only. This guide is general kidney-care information, not individual medical advice.