Epitol, Novartis and Tegretol are all brand names for Carbamazepine a pain reliever and an anticonvulsant agent used in treating such disorders as Trigeminal Neuralgia in Multiple Sclerosis, Epilepsy and Mania Disorders.
Carbamazepine is not an ordinary pain killer and should always be taken under direction from your physician. It is likely that the doctor will monitor your condition while under treatment to ensure no adverse reaction to the drug.