This NHS content is written for people in England. Services, contact routes and treatment arrangements may differ in other countries.
Common causes of a metallic taste
There are lots of possible causes of a metallic taste in the mouth.
Common causes include:
- gum disease
- taking certain medicines, like metronidazole or zopiclone
- cancer treatments, like chemotherapy and radiotherapy
- colds, sinus infections and other airway problems
- indigestion
- being pregnant
Sometimes, a lost or changed sense of smell can cause a metallic taste in your mouth.
How to get rid of a metallic taste
If you have a metallic taste in your mouth, what you can do to get rid of it depends on what's causing it. It will sometimes go away by itself.
See a GP if:
- you have a metallic taste that does not go away
- the metallic taste has no obvious cause
Metallic taste
CausesMetallic taste
Self-careCommon causes of metallic taste include gum disease, certain medicines, cancer treatments, and colds, sinus infections and other airway problems.
How you get rid of a metallic taste depends on the cause. For example, if taking a certain medicine is causing it, changing medicine may help.
Content supplied by the NHS website, refreshed 10 September 2026. View the original NHS article ↗
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