Soma is a medicine that treats muscles spasms. It comes in injectable and oral forms. The oral type is administered by mouth, while the injectable version is administered via injection into the muscle. Soma is usually employed for the short-term treatment of muscles spasms. This medication isn't recommended for use for a long time. Soma may trigger side reactions, including dizziness, drowsiness and nausea. It may also interact with other drugs including opioids. It is classified as a controlled drug and is illegal to distribute or sell without prescription.