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How do antibiotics affect Birth control pill and menstrual cycle?

In: Birth Control Pill, Medication and Drugs, Antibiotics [Edit categories]

Answer:

Antibiotics couteract birth control pills. They are no longer effective while taking the antibiotics.

First answer by Gerty571. Last edit by Gerty571. Contributor trust: 0 [recommend contributor ]. Question popularity: 2 [recommend question].

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Do antibiotics affect birth control pills?
Actually, it's variable. Only some types of antibiotics will affect birth control pills. Rifampin is the one you'd need to worry about. That's not saying that there aren't any others out there, but...
Antibiotics and birth control pills?
antibiotics affects birth control pills so if your taking antibiotics use an alternative form of BC(such as condoms) because your at risk of becoming pregnant
Do antibiotics affect birth control?
although it is not 100% correct to assume that all antibiotics decrease the effectiveness, some women have gotten pregnant when taking antibiotics. there is a warning on all antibiotics however...
Can 1 birth control pill effect your menstrual cycle?
Taking one BCP is not likely to effect your cycle.
How do Birth control pills affect a woman's menstrual periods?
A woman's menstrual periods are regular and usually lighter when she is taking oral contraceptives