Displaying 14 results of Oxcarbazepine Impurities Oxcarbazepine is an anticonvulsant medication used to treat epilepsy and bipolar disorder. However, during the manufacturing process, impurities can be introduced which may affect the purity of the drug and its effectiveness. These impurities can include related substances, degradation products, and residual solvents. It is important to monitor and control these impurities to ensure the quality and safety of the medication.