Gabapentin is associated with an oral solution that is used alongside different medications to assist in managing bound varieties of seizures in folks that have epilepsy. Gabapentin tablets are accustomed to relieving the pain of postherpetic pain (PHN) the burning, stabbing pain or aches that will last for months or years when an attack of shingles happens). Gabapentin medicine (Horizant) is used to treat syndrome (RLS) a condition that causes discomfort within the legs and a powerful urge to maneuver the legs, particularly at nighttime and when sitting or lying down on your bed.