SN instructed patient about Gabapentin ( Neurontin ). It is a medication used to treat epilepsy, neuropathic pain and hot flashes. It is also used for restless leg syndrome. It is a first line agent for the treatment of neuropathic pain arising from diabetic neuropathy, post-herpetic neuralgia, and central neuropathic pain. Most common side effects of gabapentin in adult patients include dizziness, fatigue, drowsiness, weight gain, and peripheral edema. It may also produce sexual dysfunction in some patients, symptoms of which may include loss of libido, inability to reach sexual climax, and erectile dysfunction. It should be used carefully in patients with renal impairment due to possible accumulation and toxicity. Warning of an increased risk of depression and suicidal thoughts and behaviors in patients taking gabapentin. Report to Physician or nurse if any of those side effect / adverse reaction occurs.