Overview
A persistent metallic or bad taste in the mouth, also known as dysgeusia, can occur with COVID-19. It is a type of taste disorder that can be very unpleasant.
Symptoms
A constant metallic, bitter, or foul taste that doesn't go away with brushing or eating. This can affect appetite and lead to nausea.
Causes
Like loss of taste, it is related to the virus's effect on the taste buds and the olfactory system. It can also be a side effect of some medications used to treat COVID-19.
Treatment
Good oral hygiene, using mint or lemon flavoring to mask the taste, and staying hydrated can help. It often resolves as the infection clears.
When to See a Doctor
If the taste disturbance is severe, affects your eating habits, or persists after other symptoms resolve, consult a doctor.