A member asked:

I take tegretol. i have been spotting brown blood and have stomach cramps. i'm not pregnant. could this be my cycle?

A doctor has provided 1 answer

Tegretol and BCP: Tegretol may decrease the effectiveness of birth control pills, so it is possible to have breakthrough bleeding if taking the two together. See your doctor if your periods are irregular or if you are bleeding between periods.

Answered 3/26/2013

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