Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking methocarbamol: Incidence not known Some side effects of methocarbamol may occur that usually do not need medical attention. Plaquenil immunosuppressant side effects Is plaquenil a narcotic Plaquenil monograph Find information about common, infrequent and rare side effects of Methocarbamol Oral. Adults—At first, three tablets of 500 milligrams mg or two tablets of 750 mg total dose of 1500 mg four times a day. Your doctor may adjust your dose as needed. Children—Use and dose must be determined by your doctor. Missed Dose. If you miss a dose of this medicine, take it as soon as possible. Methocarbamol is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of methocarbamol has not been clearly identified, but may be related to its sedative properties. Methocarbamol does not directly relax tense skeletal muscles in man Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Is plaquenil with methocarbamol 500 mg Plaquenil Oral Uses, Side Effects, Interactions, Pictures., Methocarbamol Oral Route Proper Use - Mayo Clinic Plaquenil painful muscle spasmsPlaquenil false positive Robaxin Methocarbamol is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of methocarbamol has not been clearly identified, but may be related to its sedative properties. Facts About Robaxin Methocarbamol for Arthritis. Methocarbamol Robaxin for Musculoskeletal Pain Side.. Robaxin methocarbamol Dosage 500 mg, 750 mg – Safety Medical. Oct 29, 2019 Our Robaxin methocarbamol Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Dec 21, 2018 Methocarbamol is a muscle relaxant. It works by blocking nerve impulses or pain sensations that are sent to your brain. Methocarbamol is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury. How long does it take for 500mg methocarbamol to start working? I started taking it two days ago and I don't feel any difference. I had pre-existing back pain that I believed was caused from sitting in a chair for long hours at work.