They may interfere: with each other. Some antibiotics are known to decrease the contraceptive effect though, and nitrofurantoin is one of them. Please be prepared to use an alternative method of contraception while you are on these antibiotics. Thanks for trusting in HealthTap.
Answered 11/27/2015
1.9k views
UTI tx vs BCP: In my opinion the risk of a worsening UTI outweighs the small chance that the antibiotic MAY decrease the effectiveness of your BCP. You may want to use a secondary method of contraception until you start your next pill pack just to be certain
Answered 11/27/2015
1.9k views
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