A metallic taste is not usually serious. What you can do to get rid of it will depend on the cause.
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 medicines, like metronidazole
- cancer treatments, like chemotherapy and radiotherapy
- colds, sinus infections and other airway problems
- 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.
|Cause||What you can do|
|Gum disease||Regularly brush your teeth, use dental floss, have a dental check-up every 6 months|
|Taking certain medicines||Speak to a pharmacist for advice – do not stop taking prescribed medicine without medical advice|
|Chemotherapy or radiotherapy||Eat stronger tasting food like ginger and spices, and suck on boiled sweets|
|Colds and other problems with your airways||The taste should go away once the problem has cleared up|
|Indigestion||The taste should go away after treating indigestion|
|Being pregnant||The taste is usually temporary and clears up by itself|
Non-urgent advice: See a GP if:
- you have a metallic taste that does not go away
- the metallic taste has no obvious cause
Page last reviewed: 9 September 2020
Next review due: 9 September 2023