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A change in your sense of smell can be unpleasant and affect how things taste. But it's not usually serious and may get better in a few weeks or months.
Changes in sense of smell are most often caused by:
It can also be caused by some medicines and, rarely, by more serious conditions like Parkinson’s disease or epilepsy.
These problems can cause:
It's also common to lose some of your sense of smell as you get older.
Rinsing the inside of your nose with a saltwater solution may help if your sense of smell is affected by an infection or allergy.
You can make a saltwater solution at home.
You do not need to use all of the solution, but make a fresh batch each day – do not reuse any left over from the day before.
Some pharmacies sell sachets you can use to make a saltwater solution and devices to help you rinse your nose.
If you have a high temperature or you do not feel well enough to do your normal activities, try to stay at home and avoid contact with other people until you feel better.
The GP will check for any obvious causes, such as sinusitis or nasal polyps.
They may refer you to a specialist for tests if they're not sure what the problem is.
Your sense of smell may go back to normal in a few weeks or months.
Treating the cause might help. For example, steroid nasal sprays or drops might help if you have sinusitis or nasal polyps.
Sometimes changes in sense of smell cannot be treated and may be permanent.
A treatment called smell training can help some people.
To find out more about smell training, see:
If you have lost your sense of smell, you may not be able to smell things like gas leaks, fires and food that's gone off.
