A member asked:

I was on antibiotics for tooth pain and was taking my birth control and had my period and i finished the antibiotics but i'm still on my period why?

3 doctors weighed in across 2 answers
Dr. John Thaler answered

Specializes in Prosthodontics

Antibiotics: Antibiotics can interfere with birth control medicines. Be sure to use other protection when taking these. See your gynecologist for evaluation and recommendations.

Answered 11/2/2015

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Interferences: Some antibiotics can interfere with the hormones in the birth control pills, you need to contact your ob-gyn to see if the issue is related. Alternate birth control is recommended when on some antibiotics.

Answered 10/24/2017

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