Carbamazepine (CAR-buh-MAZ-uh-peen) is the generic name (non-brand name) of a widely used type of seizure medicine. Brand names for carbamazepine in the United States include Tegretol and Carbatrol. In other countries, carbamazepine is known by other brand names, such as Carbagen SR, Mazepine, Tegrital, Teril, and Timonil.