Paracetamol and Chlorzoxazone Uses Paracetamol and Chlorzoxazone are used for pain relief due to muscle spasms.
How Paracetamol and Chlorzoxazone work Paracetamol and Chlorzoxazone is a combination of two medicines: Paracetamol and Chlorzoxazone, which relieve pain and relax the muscles. Paracetamol is an analgesic (pain reliever) and antipyretic (fever reducer). It blocks the release of certain chemical messengers in the brain that are responsible for pain and fever. Chlorzoxazone is a muscle relaxant that acts on the centers in the brain and spinal cord to relieve muscle stiffness or spasms.