Baclof 10 mg tablet is a medication that helps relax muscles. It is also used to manage symptoms from injuries or diseases affecting the spinal cord. The active ingredient in Baclof 10 mg Tablet is baclofen. This tablet is effective in reducing muscle stiffness or tightness caused by conditions related to the brain or spinal cord. Possible side effects of baclofen include nausea, headache, weakness, low blood pressure, and drowsiness.