Gralise is a prescription medicine used in adults, 18 years and older, to treat pain from damaged nerves (neuropathic pain) that follows healing of shingles (a painful rash that comes after a herpes zoster infection). It is not known if Gralise is safe and effective in people with seizure problems (epilepsy).
It is not known if Gralise is safe and effective in children under 18 years of age with postherpetic pain. Gralise is not interchangeable with other gabapentin products.