Soma (carisoprodol) is a muscle relaxer that blocks pain sensations between the nerves and the brain. Soma is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury. Soma works by blocking pain sensations between the nerves and the brain. This effectively works for the treatment of musculoskeletal symptoms when coupled with rest and physical therapy. The medication can be used to treat other conditions. For more information, consult with your physician or pharmacist.