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Mountain View, CA
A 24-year-old female asked:

Do antibiotics affect birth control, specifically iuds? i'm on cipro (ciprofloxacin) and have a mirena iud.

1 doctor answer2 doctors weighed in
Dr. David Houghton
Specializes in Internal Medicine and Pediatrics
Not to worry: All IUDs prevent pregnancy, and antibiotics don't interfere with them. Mirena (levonorgestrel) combines the usual action of an IUD with the hormonal effects of the progesterone-type drug included with it. A few antibiotics can affect the hormone's effectiveness, but most won't, including ciprofloxacin.

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Last updated Sep 27, 2019

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