4 doctors weighed in:

How long does a septra (sulfamethoxazole and trimethoprim) rash last?

4 doctors weighed in
Dr. Michael Silverman
Internal Medicine - Infectious Disease
2 doctors agree

In brief: 1 week or so

Depending on the severity it can last a couple days to 10-14 days but usually less .
..Depends on how long you took the med and when you stopped it in relation to the onset of the rash.

In brief: 1 week or so

Depending on the severity it can last a couple days to 10-14 days but usually less .
..Depends on how long you took the med and when you stopped it in relation to the onset of the rash.
Dr. Michael Silverman
Dr. Michael Silverman
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Dr. Kamlesh Desai
Family Medicine

In brief: Not more than 10 day

Not more than 10 days.

In brief: Not more than 10 day

Not more than 10 days.
Dr. Kamlesh Desai
Dr. Kamlesh Desai
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