GLP-1 receptor drugs, like Mounjaro, may hinder the effectiveness of oral contraceptives. It’s recommended that people taking Mounjaro switch to a non-oral birth control method or add a barrier method of contraception in the timeframe around a dose of the GLP-1 drug. Diana Isaacs, PharmD, BCPS, BC-ADM, BCACP, CDCES, FADCES, FCCP, and Karl Nadolsky, DO, FACE, DABOM, explain how some forms of contraception may interact with GLP-1 drugs, in an article featured on health.com.