Thiocolchicoside 4 mg injection is a muscle relaxer that provides relief from the discomfort associated with acute, painful musculoskeletal condition such as rigidity, tension, stiffness and muscle hich is used in relieving rigidity, inflammation, and swelling conditions which affect skeletal muscles. It works by blocking chemical messengers in the brain which is responsible for such symptoms. It effectively relieves muscles stiffness or spasm hence improves muscle movement.