Gabapentin 800 mg is a prescription anticonvulsant (antiepileptic) medication used to treat neuropathic (nerve) pain and partial-onset seizures. It is commonly prescribed for nerve pain associated with conditions such as diabetic neuropathy, postherpetic neuralgia (pain following shingles), spinal cord injury, and other chronic nerve-related disorders. Gabapentin is also used as an adjunctive therapy in the management of epilepsy to help reduce the frequency and severity of seizures. In some cases, healthcare providers may prescribe it for off-label uses, including restless legs syndrome, fibromyalgia, and certain anxiety disorders. Gabapentin works by binding to calcium channels in the central nervous system, reducing the release of excitatory neurotransmitters and calming overactive nerve activity. This action helps decrease nerve pain and prevents abnormal electrical signals that can trigger seizures. The medication should be taken exactly as prescribed, with or without food, and doses should be taken at evenly spaced intervals. Patients should not stop taking gabapentin suddenly, as abrupt discontinuation may increase the risk of withdrawal symptoms or seizures. A healthcare provider will usually recommend gradually reducing the dose when discontinuing treatment.

Common side effects of Gabapentin 800 mg include dizziness, drowsiness, fatigue, blurred vision, loss of coordination, tremors, swelling of the hands or feet, and weight gain. Because the medication may cause sleepiness or impair concentration, patients should avoid driving, operating heavy machinery, or consuming alcohol until they know how the medicine affects them. Individuals with kidney disease may require dosage adjustments, as gabapentin is eliminated through the kidneys. Patients should inform their healthcare provider about all current medications, medical conditions, pregnancy, or breastfeeding before starting treatment to help minimize the risk of drug interactions and ensure safe, effective use.