Older anticonvulsant. Tegretol is an anticonvulsant that is metabolized by the liver that is used for event related (partial) epilepsy. The drug is given orally and must be titrated to its therapeutic dose. The drug's level must be monitored to maintain efficacy and reduce side effects. There are significant side effects associated with tegretol, some dose dependant others are idiosyncratic. Should not stop abruptly.