Gabapentin is an anti-epileptic medication, also called an anticonvulsant. It affects chemicals and nerves in the body that are involved in the cause of seizures and some types of pain. Gabapentin is used in adults to treat nerve pain caused by herpes virus or shingles (herpes zoster). The Horizant brand of gabapentin is also used to treat restless legs syndrome (RLS). The Neurontin brand of gabapentin is also used to treat seizures in adults and children who are at least 3 years old. Use only the brand and form of gabapentin that your doctor has prescribed. Check your medicine each time you get a refill at the pharmacy, to make sure you have received the correct form of this medication.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

You should not use gabapentin if you are allergic to it. To make sure gabapentin is safe for you, tell your doctor if you have: kidney disease (or if you are on dialysis); epilepsy or other seizure disorder; diabetes; liver disease; a history of depression, mood disorder, drug abuse, or suicidal thoughts or actions; heart disease; or (for patients with RLS) if you are a day sleeper or work a night shift. Some people have thoughts about suicide while taking this medicine. Your doctor will need to check your progress at regular visits while you are using gabapentin. Your family or other caregivers should also be alert to changes in your mood or symptoms. It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. Gabapentin can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.