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Can Antibiotics Reduce The Effect Of Birth Control?

i got my depo shot may 20, i started taking metronidazole a couple of days afterwards i have also been having unprotected sex, now im spotting,do antibiotics decrease the effectiveness of birth control, is there a chance i could be pregnant or get pregnant?

posted on Fri, 14 Mar 2014

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

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