A member asked:

Took amoxicillan for 1 wk, today was last day.on 1st day of 3rd week of bcp.light bleeding (maybe period) just started tonight.could it be from this?

A doctor has provided 1 answer
Dr. William Coutts ii answered

Specializes in Family Medicine

Yes: Various antibiotics can lower the effect of BCPs. You will need to use a barrier method of birth control, ie condoms, diaphragm .

Answered 5/3/2015

2.9k views

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