Tiagabine is an anticonvulsant medication used to treat epilepsy. However, during the manufacturing process, impurities may arise which can affect the quality and safety of the drug. Tiagabine impurities may include degradation products, residual solvents, and other impurities that can affect the efficacy and safety of the drug. Therefore, it is important to monitor and control the impurities during the manufacturing process to ensure that the drug meets the required standards for quality and safety.