Pharmacology A woman is taking oral contraceptives (OCs). Which of the following drugs is unlikely to reduce the effectiveness of the OCs A Ketoconazole B Phenytoin C Phenobarbital D Carbamazepine 💡 Explanation A woman is taking oral contraceptives (OCs). Which of the following drugs is unlikely to reduce the effectiveness of the OCs ✓ Correct Answer: A. Ketoconazole