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A member asked:
Does bactrim (sulfamethoxazole and trimethoprim) decrease the effectiveness of quartette birth control?
2 doctors weighed in across 2 answers
Antibiotics and bc: Rifampin is the only antibiotic that decreases the effectiveness of birth control. Bactrim (sulfamethoxazole and trimethoprim) does not.
Answered 8/1/2014
3.8k views
Thank
Yes: Some of the Antibiotics do lower the efficacy of Birth Control pills , so you may want to use extra protection like Barrier methods during this period.
Answered 1/21/2019
3.8k views
Thank
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