Antibiotics May Interfere With Hormonal Contraceptives
Many antibiotics may be linked to unintended pregnancy in women taking hormonal contraceptives. It has long been known that certain drugs, including the antibiotics rifampin and rifabutin as well as various antifungal, anti-epileptic and antiretroviral drugs, cause the liver to produce enzymes that can reduce the efficacy of hormonal contraceptives. Now a new analysis of…