Pregeb 200 Capsule is a pain reliever used to treat nerve damage (neuropathic pain) caused by diabetes, shingles (herpes zoster), spinal cord injury, and other diseases. It is also used to treat fibromyalgia patients' widespread muscle pain and stiffness. Pregeb 200 Capsule is an anti-epileptic medicine that can also be used in conjunction with other medicines to treat specific types of seizures (fits). It can also be used to treat the symptoms of anxiety disorders when other medicines are not working.