A member asked:

Can i start a doxycycline course during my period?

2 doctors weighed in across 2 answers
Dr. Marsha Davis answered

Specializes in Internal Medicine

Yes: Doxycycline has the potential to lower the effectiveness of a birth control pill. If you are having your period you are probably ok.

Answered 5/4/2018

5.9k views

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Dr. Michael Ein answered

Specializes in Infectious Disease

Yes: Note that all tetracycline class antibiotics may reduce levels of oral contraceptives when taken concurrently. Women should use mechanical forms of birth control when taking tetracyclines.

Answered 1/12/2013

5.4k views

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Related Questions

A member asked:

I took Doxycycline for a tick bite. Now my period is late is that normal?

2 doctors weighed in across 2 answers