Amoxicillin & BCP

Sirenne - posted on 11/14/2014 ( 4 moms have responded )

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Okay so I'm reading a lot of mixed messages online about whether or not the BCP can be effected by antibiotics. There seems to be evidence to suggest that it doesn't effect? What are your thoughts. I have been taking Amoxicillin for 5 days and always take my BCP on time but am now thinking... Uh oh. Haha. Me and my OH have been intimate every night (sorry if tmi).

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Sarah - posted on 11/14/2014

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If you don't want a pregnancy now, you can take plan B. Don't know how you feel about it and it really should be within 48-72 hours of the act, but the antibiotic probably did not affect your fertility right away, if at all.
Antibiotics can definitely make BCP less effective. Yes it would be nice if your doctor or pharmacist had given you a heads up, but that's just how it goes with the fast pace of doctors and mega-pharmacies filling thousands of prescriptions a day. The personal touch is lost.
If it helps at all, if your BCP was not being absorbed properly, which is what the antibiotic does, you'd probably start spotting. Just like you do when you stop taking the pill and get your period. If that did not happen, you're probably fine.

Dove - posted on 11/14/2014

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Antibiotics definitely can impact birth control. I would think that the insert that came w/ your meds would have told you that. Good luck (if you don't want to be pregnant right now)!!

Sarah - posted on 11/14/2014

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Not sure where you are getting your evidence that suggests that antibiotics do not affect birth control. Your doctor and your pharmacist should have told you the risk when prescribing the medication. This is why it is always important to let your doctor know that you are taking the birth control pill as other medications can affect it.

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Sirenne - posted on 11/15/2014

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I think it's too late for plan B. We're very stable in our relationship so it wouldn't be a bad thing if I was to fall pregnant. I know the OH would be fine with it. I was prescribed them by my dentist and wasn't informed by either them or the pharmacy. I guess time will tell... Have any of you gotten pregnant while on BCP and regular antibiotics?

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