Gabapentin is a medicine used for the treatment of nerve pain, which is known as Neuropathic pain. It can help reduce pain by affecting the nerves that transmit signals. So people buy Gabapentin online to reduce pain. Gabapentin is also sometimes prescribed off-label for other conditions such as restless leg syndrome, anxiety, insomnia, hot flashes in menopause, and alcohol withdrawal. It works by increasing the neurotransmitter in the brain.