A member asked:

My gf has been on loloestrin bc but is now on antibiotics. we had unprotected sex. can the antibiotic, azithromycin, weaken the bc? plan b time?

A doctor has provided 1 answer

Dr. Robert Killian answered

Specializes in General Practice

New Information: We now know that antibiotics do not automatically make birth control weaker.

Answered 5/29/2014

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A member asked:

My gf has been on loloestrin bc but is now on antibiotics. we had unprotected sex. can the antibiotic, azithromycin, weaken the bc? plan b time?

A doctor has provided 1 answer

Dr. Robert Killian answered

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