Gabapentin can be considered a pain killer as it gives relief from nerve pain. The active ingredient Gabapentin is used to treat anxiety, and epileptic seizures and to relieve neuropathic pain. In contrast to many other antiepileptic drugs, buy Gabapentin online it is well-tolerated but still has several side effects. The most common are headaches, fatigue, dizziness, and nausea. If the active ingredient is suddenly discontinued, further side effects can occur.