Pregabalin 300mg capsules, oral solution (liquid), and extended-release (long-acting) tablets relieve neuropathic pain (pain from damaged nerves) in your arms, hands, fingers, legs, feet, or toes if you have diabetes and postherpetic neuralgia. Pregabalin capsules and oral solution reduce neuropathic pain after a spinal cord injury and cure fibromyalgia. Pregabalin capsules and oral solution are used alongside other drugs to treat certain seizures in adults and children 1 month and older.