A pain relieving and anticonvulsant drug often used to treat trigeminal neuralgia (pain along the route of the facial nerve) and epilepsy (a neurological disorder characterized by convulsive seizures). Blood testing can determine carbamazepine levels in the body and aid in maintaining appropriate dosage.

Carbamazepine (sold under the brand-names Biston, Calepsin, Carbatrol, Epitol, Equetro, Finlepsin, Sirtal, Stazepine, Tegretol, Telesmin, Timonil) is an anticonvulsant and mood stabilizing drug, used primarily in the treatment of epilepsy and bipolar disorder. It is also used to treat schizophrenia and trigeminal neuralgia.