Baton Rouge, LA
A 22-year-old female asked:
i am on metronidazole for bv. i only have two pills left and i had unprotected sex. will this cancel out my yaz (drospirenone and ethinyl estradiol) birth control? could i get pregnant?
1 doctor answer • 3 doctors weighed in

Dr. Oscar Novick answered
Pediatrics 58 years experience
Flagyl: Flagyl can cancel out the effects of your Yaz (drospirenone and ethinyl estradiol) birth control
4082 viewsReviewed >2 years ago
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Last updated Feb 13, 2015
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