A member asked:

How long does the skin rash last from bactrim (sulfamethoxazole and trimethoprim)?

A doctor has provided 1 answer

Depends: Depends how severe the skin reaction was and if blisters were present or not, it may take up to 3 weeks until it clears. If you have the type of skin that scars easily, the marks may stay even longer.

Answered 11/18/2019

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