Pregabel-M Capsule is a prescription medication used to treat neuropathic pain by modulating calcium channel activity of nerve cells. It is taken by mouth, preferably at bedtime, and is habit-forming. Common side effects include nasopharyngitis, increased appetite, euphoric mood, tremor, blurred vision, dry mouth, dizziness, and sleepiness. It may cause weight gain, so regular exercise and a balanced diet are recommended. It is important to inform your doctor about any unusual mood changes, depression, or suicidal thoughts. It is also important to inform your doctor about other medications.