Buy Zeptol 100 mg (Carbamazepine), Carbamazepine is used to treat certain types of fits (epilepsy). It is also used to relieve a painful condition of the face called trigeminal neuralgia. Also used to control serious manic depression when another medicine (lithium) fails. Carbamazepine belongs to a class of medications called anticonvulsants. It works by stabilizing the electrical activity of your brain and controls fits, pain, and serious manic depression. It is also known as Tegretol.