The gabantin 300 tablet is a medication used to treat nerve pain (neuropathic pain) caused by a variety of illnesses such as diabetes, shingles (herpes zoster infection), spinal cord injury, and others. It's also used in conjunction with other medications to treat specific kinds of seizures (fits). The gabantin 100 tablet is a kind of anti-epileptic medication. You may take it with or without meals, but to receive the greatest effect, you should take it at the same time every day. Your illness and how you react to it will determine the precise amount and length of therapy. Your doctor will most likely start you on a low dosage and gradually raise it. The drug may take a few weeks to function effectively.