The Gabapin 100 Tablet is used to treat neuropathic pain, which is pain that is caused by damage to the nerves and can be brought on by a number of illnesses, including diabetes, spinal cord injury, and shingles (an infection caused by herpes zoster). A medication called gabapin 100 Tablet is used to treat neuropathic pain, which is pain brought on by damage to the nerves and can result from a number of illnesses, including diabetes, shingles (an infection caused by herpes zoster), spinal cord injuries, etc. It is also used to treat certain types of seizures (fits) in combination with other medicines.