Will Amoxicillin alter the effectiveness of birth control?

by Admin on November 13, 2009

I am on Yaz, I have been for a year or so now. I just got prescribed Amoxicillin for strep throat. Will the antibiotics alter the effectiveness of my birth control? I just tried to look it up, but every answer was different.

{ 3 comments… read them below or add one }

Me November 13, 2009 at 7:12 am

Antibiotics DO affect your birth control pills. If you will be engaging in sex in the next few days, you must use back-up methods. You need a back-up in the meantime, and once you have finished your antibiotics, you need a back-up for 7 days afterwards.

torojolt November 13, 2009 at 7:12 am

The long and the short: NO it will not affect your birth control

wildlifewife November 13, 2009 at 7:12 am

Yes, it will. I know the first one said no. Any antibiotic will affect birth control. Use a back up method for a while.

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