What is Carisoprodol 350mg? Carisoprodol 350mg is the generic name of the drug Soma which is being prescribed since 1959. The drug works as a muscle relaxer. Carisoprodol blocks the sensation of the pain a person is experiencing between the body’s nerves and the brain. The drug is classified as a Schedule IV controlled substance. You can buy Carisoprodol online from our online pharmacy.