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When do antibiotics leave your system?
I have been taking antibiotics. I take my last one on Wednesday morning. My nurse told me that there is a slight possibility that antibiotics mess with the effectiveness of birth control. Would it be okay if I had sex on Thursday evening? I take my birth control pills in the evening and by Thursday, the antibiotics would have been out of my system for a day and a half. Is that long enough to wait?
3 Answers
- 1 decade agoFavorite Answer
I've heard that you should really use a alternative method of birth control until you start your next birth control cycle. The effectiveness of the pills is a trickle-down cycle. You get the most drugs out of the pill in the beginning and less and less as your cycle goes on.
Antibiotics reduce the effectiveness of the pill and you won't build up your "protection" again until you start your next pill cycle.
Use a condom just to be safe.
- 1 decade ago
So I am a nurse. You should use a backup method (a condom) for the rest of this pack of pills. If the effectiveness of your pills was comprimised by the antibiotics, then you may have started the whole ovulation process, so it is after the antibiotics are finished that you will find yourself ovulating.
- 1 decade ago
if you are unsure ask the nurse that told you the information about it and maby they could give an opinion.
