It is indicated for various types of neuropathic pain in adults (a) Postherpetic neuralgia (PHN), (b) Peripheral diabetic neuropathies. (c) Trigeminal neuralgia. It is indicated as adjunctive therapy in the treatment of partial seizures with and without secondary generalization in patients over 12 years of age with epilepsy. It is also indicated as adjunctive therapy in the treatment of partial seizures in paediatric patients age 6-12 years.