Anti-convulsants, like Pregalin 150mg Capsule 10, are mostly used to stop neuropathic pain, epilepsy (seizure events), fibromyalgia (musculoskeletal pain), and neuralgia cases. Neuropathy is constant nerve pain that can be caused by nerve damage from diabetes, shingles (a painful rash caused by a virus), spinal cord injuries, and injuries to the muscles, joints, or tissues.