Find patient medical information for Methocarbamol (Robaxin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Methocarbamol is a muscle relaxer that can treat short-term muscle pain. It comes in 500 mg and 750 mg tablets. See the recommended methocarbamol dosage & more. Methocarbamol is a centrally acting skeletal muscle relaxant that has significant potential adverse effects, especially on the central nervous system. [3] Potential side effects of methocarbamol include: Most commonly drowsiness, blurred vision, headache, nausea, and skin rash. [8] Methocarbamol is used with rest, physical therapy, and other measures to relax muscles and relieve pain and discomfort caused by strains, sprains, and other muscle injuries. Methocarbamol (Robaxin) is an oral medication used to treat muscle pain and stiffness. Learn about side effects, warnings, dosage, and more. Methocarbamol 500 mg Tablet Muscle Relaxant Methocarbamol is a muscle relaxant that can be used to treat muscle spasms caused by trauma, inflammation, or certain toxicities. Methocarbamol is a muscle relaxant used to relieve pain and discomfort from muscle spasms. Learn about uses, dosage, side effects, and warnings. Methocarbamol is used to relieve the discomfort caused by acute (short-term), painful muscle or bone conditions. However, this medicine does not take the place of rest, exercise, physical therapy, or other treatment that your doctor may recommend for your medical problem. Methocarbamol is a prescription generic drug used to relieve acute musculoskeletal conditions. Learn about dosage, side effects, drug interaction, warnings, and precautions. What is methocarbamol, and what is it used for? Methocarbamol is a medication used to relieve muscle spasms, and relax neck and jaw muscle contraction (lockjaw) caused by tetanus, a serious bacterial infection.