Gabapentin extended-release tablets (Horizant) are used to treat restless legs syndrome (RLS; a condition that causes discomfort in the legs and a strong urge to move the legs, especially at night and when sitting or lying down). Gabapentin is in a class of medications called anticonvulsants. Each NEURONTIN tablet contains 600 mg or 800 mg of gabapentin and the following inactive ingredients: candelilla wax, copovidone, cornstarch, hydroxypropyl cellulose, magnesium stearate. Gabapentin is commonly used to treat and prevent seizures in people with epilepsy or to treat nerve pain (postherpetic neuralgia) that can occur after a viral infection called shingles. After the US state of Kentucky implemented stricter legislation regarding opioid prescriptions in 2012, there was an increase in gabapentin-only and multi-drug use from 2012 to 2015. Gabapentin is an anticonvulsant medication prescribed for a variety of conditions. Learn about its uses, side effects, and what you should know if you've been prescribed this medication. Why is gabapentin bad? While it is generally considered a safe medication to use, says Mackey, gabapentin still often requires caution. One major concern is misuse. Gabapentin is used to help control partial seizures (convulsions) in the treatment of epilepsy. This medicine cannot cure epilepsy and will only work to control seizures for as long as you continue to take it. Gabapentin is a prescription medicine used to treat seizures, pain after shingles, restless legs syndrome, and off-label uses. Learn about side effects, dosage, uses, warnings, interactions, and brand differences. Learn what side effects to watch for, drugs to avoid while taking gabapentin, how to take gabapentin and other important questions and answers. Gabapentin is available in both branded and generic forms. About gabapentin Gabapentin (Neurontin) is an inexpensive drug used to control partial seizures in adults with epilepsy. It is also used to treat certain types of nerve pain. This drug is more popular than comparable drugs. It is available in generic and brand versions.