Gabapentin tablets are used mainly to treat nerve (neuropathic) pain and certain types of seizures (epilepsy), and sometimes for conditions like restless legs syndrome or fibromyalgia, depending on the formulation and local approval .Main Uses of Gabapentin TabletsNerve (Neuropathic) Pain Gabapentin is commonly prescribed for chronic nerve pain, such as:Post-herpetic neuralgia (pain after shingles) Diabetic neuropathy (nerve pain from diabetes) Other types of neuropathic pain (e.g., after injury or surgery) Epilepsy / Seizures It is used as an add-on (adjunct) treatment for:Partial (focal) seizures in adults and children (usually 12 years and older) It is not usually the first medicine for epilepsy, but helps control seizures when other drugs are not fully effective .Other Approved Uses (varies by country/formulation)Restless legs syndrome (RLS) – specifically the extended‑release form gabapentin enacarbil (e.g., Horizant) Fibromyalgia – sometimes used off‑label or in specific formulations Off‑label / Less Common Uses In some cases, doctors may prescribe gabapentin for:Chronic pain conditions (e.g., back pain, sciatica) Anxiety disorders (off‑label, not approved everywhere) Insomnia or sleep problems related to nerve pain (due to its sedative effect)