Carisoprodol is a muscle relaxer that works by blocking pain sensations between the nerves and the brain.Carisoprodol is used together with rest and physical therapy to treat injuries and other painful musculoskeletal conditions.

Carisoprodol is a colorless, crystalline powder, having a mild characteristic odor and a bitter taste. It is slightly soluble in water. Its solubility is practically independent of ph.

Carisoprodol is marketed in the United States under the brand name Soma, and in the United Kingdom and other countries under the brand names Sanoma and Carisoma. Carisoprodol is especially useful against various types of pain (whether or not related to muscle spasm) because of its analgesic-sparing (potentiating) effect on opioid analgesics. Carisoprodol is available by itself or mixed with aspirin and in one preparation (Soma Compound With Codeine) along with codeine and caffeine as well