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A member asked:
Will bactrim (sulfamethoxazole and trimethoprim) antibiotic cause plan b to be less effective even if i took it tuesday (11 am) and bactrim (sulfamethoxazole and trimethoprim) thursday (7 pm). yes or no ?
A doctor has provided 1 answer
NO: The affect of antibiotics, especially tetracyclines, has been studied as to effect on absorption of birth control hormones. Except for rifampin, they are compatible Relax.
Answered 5/31/2015
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