Antibiotics and BC?

Question

I know that antibiotics can damage the effectiveness of the pill, but does it make completely ineffective? And if so, they start working after 7 days again? I am taking antibiotics for my sore and swollen throat for about 3 days and I am not having sex without a condom even if I'm on the pill anyway, but I am just trying to be as safe as possible and I'm still paranoid after the condom broke a month and a half ago.

Answer

it probably depends on the type of pill and dose of hormones and also the dose of antibiotics

Answer

I was told that the pill is not as effective. I don't know just a HOW ineffective, but pregnancy is very possible when you're on antibiotics. I don't take the pill anymore. I took it in high school. And I believe they told me that your pill isn't at full stamina for the whole cycle you're on antibiotics. You should ask you pharmacist for more specifics. I find they tend to know more about drug interactions than most Drs.

Answer

I got pregnant while I was on BC and using antibiotics

Answer

Honestly, most don't seriously affect it. My sister's specialist told her she didn't need to worry unless she was on Rifampin.

Antibiotics that have been shown to interact with birth control pills include rifampin (Rifadin®), and to a lesser extent, penicillin, amoxicillin, ampicillin, sulfamethoxazole/trimethoprim (Bactrim®), tetracycline, minocycline, metronidazole (Flagyl®) and nitrofurantoin (Macrobid® or Macrodantin®).

Antibiotics and BC?

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