Carisoprodol Products | Cleanchem - Carisoprodol is a muscle relaxant used to treat acute pain and discomfort associated with muscle spasms. It works by inhibiting the transmission of pain signals in the brain and spinal cord. Carisoprodol is typically used in combination with physical therapy and rest for short-term muscle pain management. Side effects include drowsiness, dizziness, and the potential for dependency with long-term use.