Gabadon M Tablet is a combination medicine used to treat neuropathic pain by modulating the calcium channel activity of nerve cells. It is taken by mouth, preferably at bedtime, and should be taken at the same time each day. Common side effects include nausea, peripheral edema, ataxia, blurred vision, fever, nystagmus, dizziness, and sleepiness. It is important to inform your doctor if you experience unusual mood changes, depression, or suicidal thoughts. It can be mixed safely with other medicines, but some drugs may increase side effects.