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A member asked:
If i am on the antiobiotic bactrim, (sulfamethoxazole and trimethoprim) and am only on my first week of pills on my new pack, and had unprotected sex what are my chances of pregnancy?
A doctor has provided 1 answer
?: Some antibiotics can decrease the effectiveness of oral contraceptives. I would use an alternative form of birth control while on antibiotics.
Answered 8/31/2014
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