Do antibiotics interfere with the efficacy of birth control pills even after you stop taking the antibiotics?
Posted on November 02nd, 2008 in Answers
KAR36 asked:
How long does the effect last? Is it only during the time you take the antibiotics?
How long does the effect last? Is it only during the time you take the antibiotics?
I would think so, but I wanted to be sure.
I am wondering if you take them, get your period, and then start taking the birth control pills again, if the antibiotics have lingering effects the following months?? Thank you.
This post has 3 comments
November 2nd, 2008
From my understanding, you will need another type of birth control for the entire month,.
November 4th, 2008
yes they could stay in your system for up to 2 weeks after you stop using them. i would use a back up plan for the BC this month.
November 7th, 2008
The effect can last for a couple of weeks after you’ve stopped taking the antibiotics. I’d suggest using a backup method of birth control (condoms, foam, etc.) for a couple of weeks just to be on the safe side. After 2 weeks or so, the antibiotic should be completely out of your system, but keep in mind that birth control pills are never 100% effective, regardless of any other meds you’re taking.
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