Pregnancy While on Antibiotic

Updated on August 30, 2013
S.J. asks from Cherryville, MO
6 answers

Just curious how many of you got pregnant while taking an antibiotic while still maintaining your typical birth control method (oral, shot, etc). I read such conflicting stories on whether certain antibiotics really do lessen the effects of birth control, so I was just curious!

My friend, the only person I have ever known to allege she got preg while on antiobiotic, swears that was the cause. Although she also admits not taking her pill regularly, etc. So, again, just curious if any of you have had a little surprise after a sinus infection!

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M.R.

answers from Washington DC on

I haven't, but a friend of mine became pregnant while on birth control after she started taking antibiotics for an infection. She was not careless with her pills, and the antibiotics did lessen the pills' effectiveness. Now she has another (surprise) sweet little girl.

1 mom found this helpful

C.O.

answers from Washington DC on

Antibiotics do lessen the effectiveness of oral birth control methods.

I would call my pharmacist and tell them what oral birth control I am taking and and the antibiotic I am taking and ask why the chances of getting pregnant are while taking them.

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E.T.

answers from Rochester on

Yep, it does. I've had at least two friends that it has happened to. Use back up or wait until you are done.

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B.S.

answers from Kansas City on

My sister-in-law got pregnant that way too. She was sick and taking an antibiotic, and got pregnant. A serious oops for them as they were done having kids. I don't know what birth control they were using (too personal to ask :))

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J.K.

answers from Los Angeles on

I don't know much about antibiotics and birth control, but I do have a coworker who says she got pregnant because she took antibiotics. She had just given birth to a daughter and definitely did not want to get pregnant again so she took her birth control consistently. But her doctor failed to warn her about the effect of antibiotics on birth control and she got pregnant.

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A.V.

answers from Washington DC on

Coworker's baby was an antibiotics while on the pill baby. I always wait after I've taken ABs.

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