1 doctor weighed in:

I was on a an antibiotic for two days then had sex with my husband a week later I am on the pill and still in my first week. Chances of pregnancy?

1 doctor weighed in
Dr. Anthony Gingo
Obstetrics & Gynecology

In brief: Pill and antibiotic

The only antibiotic that truly effects birth control is rifampin.
Studies have shown that other more common antibiotics have little or no interaction with birth control. Chances of pregnancy should be no greater than baseline.

In brief: Pill and antibiotic

The only antibiotic that truly effects birth control is rifampin.
Studies have shown that other more common antibiotics have little or no interaction with birth control. Chances of pregnancy should be no greater than baseline.
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