A 19-year-old female asked:
will doxycycline (50 mg per day) make my junel fe (birth control) pills less effective?
1 doctor answer
Dr. Cody Mead answered
11 years experience Family Medicine
Safe > Sorry: While no evidence shows that any antibiotic except rifampin alters the effectiveness of oral contraceptives, the package inserts will likely say that there could be a problem with the interaction. I would advise you to use a back-up form of contraception while on the doxy.
Answered on Dec 1, 2017
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