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Z Pack and Birth Control

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I was given a Z pack for a respiratory infection, and I started taking it on 11/1 and I took the last pill on 11/6. While I was taking the Z pack, I started the inactive pills of my birth control, and had my period on 11/6 (the last Zpack pill also). I started my new pack of active pills on the 11/9 (tues). I have been taking them everyday at the same time. I also have used protection throughout this month except for today 11/26. We started off with unprotected sex and then we used a condom, and he ejaculated in the condom. My period is scheduled to come on in one week (12/3). Did the antiobiotic affect my birth control the whole month? Is there a chance I could get pregnant??
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replied November 26th, 2011
Community Volunteer
No, you are safe.
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replied November 27th, 2011
So the antibiotic wouldn't have affected me the whole month?
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replied November 27th, 2011
Community Volunteer
No, only a few antibiotics affect your body's ability to deal with estrogen. Within 7 days after stopping it, your pills should protect you fully again (provided that it is 7 active pills)
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replied November 27th, 2011
Thank you
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replied October 16th, 2012
If me and my girlfriend had sex unprotected but she was on the pill 3 days prior to her taking Zpack are we introuble? I did not ejaculate in her.
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