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A member asked:
I'm on doxycycline. i've been on birth control for 8 years and had sex with a condom recently. my period is a day late so can antibiotics affect it?
A doctor has provided 1 answer
Antibiotics & BC: Being on antibiotics can affect the effectiveness of birth control slightly, but if you backed up with condom use the chance of pregnancy is extremely low.You may just be a day late due to taking antibiotics of also to other unrelated stressors in your life. Wait another week and if still no period, at least check a pregnancy test, but you have done great by using a condom additionally, so unlikey
Answered 4/2/2015
3.9k views
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