Hi, I just started my second month of birth control pills. I am on the 21 hormonal 7 day sugar pill kind. Two weeks into my 1st pack I had to take bactrim for a uti I had and me and my boyfriend had unprotected sex (October 12) two days after I finished it. I was freaking out because I thought that the antibiotic would mess with it but 4 days into my sugar pills I got my period (which was surprisingly heavier than I thought) and it stopped the day I took my first hormonal pill of the 2nd pack. Me and my boyfriend had sex the last day of sugar pills. Now, 6 days into my 2nd pack I feel a slight slight cramping but no bleeding or anything. Was I protected during sugar pill week since I took antibiotics two weeks before???
If you took bactrim the 2nd week, then took the 3rd week of pills then you are protected during the sugar pills. What you need to do when you're on antibiotics with the pill, you should use a condom while you are on the med and for the week after you stop them.
- Bactrim Information for Consumers
- Bactrim Information for Healthcare Professionals (includes dosage details)
- Side Effects of Bactrim (detailed)
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