Soma is a drug used to treat muscles spasms. It is available in injectable and oral versions. The oral version is consumed by mouth, while the injectable version is administered through injection into muscles. Soma is usually employed for the short-term treatment of muscles spasms. This medication isn't recommended for use over a long period of time. Soma may cause adverse reactions, including dizziness, drowsiness, and nausea. It also can be a drug interaction with other medications including opioids. It is classified as a controlled drug and therefore it is unlawful to distribute or sell without prescription.