Brand names for carisoprodol include Prosoma 500mg. As a muscle relaxant, it prevents pain signals from reaching the brain. Prosoma 500mg is commonly used to treat muscle spasms and the pain that comes along with them when they are the result of musculoskeletal issues like back pain or injuries. You can take it with or without food, but you shouldn't do so for more than a few weeks at a time. It is important to discuss the potential risks and side effects of Prosoma 500mg with your doctor before beginning treatment and to always use the medication exactly as prescribed.