Pregabalin capsules are approved for:Nerve pain caused by diabetic peripheral neuropathy (nerve damage from diabetes) .Postherpetic neuralgia (nerve pain after shingles) .As an add‑on (adjunctive) treatment for partial‑onset seizures in adults and adolescents (17 years and older) along with other anti‑seizure medicines .Management of fibromyalgia (widespread body pain and tenderness) in adults