Prosoma 350 is a muscle relaxant that prevents the brain from receiving pain signals from the nerves. Soma is used to treat skeletal muscle disorders like pain or damage in conjunction with rest and physical therapy. Prosoma 350mg is used short-term to treat muscle pain and discomfort. It is used as a muscle relaxant and pain reliever with other physical procedures to relieve from deep pain. Side effects associated with Prosoma 350 include drowsiness and sedation. Other side effects include headache and dizziness. While Soma can provide effective relief, like any medication, it can also be associated with certain side effects like drowsiness, headache etc.