Tizanidine is a short-acting muscle relaxer. It works by blocking nerve impulses (pain sensations) that are sent to your brain. Tizanidine is used to treat spasticity by temporarily relaxing muscle tone. Tizanidine may also be used for purposes not listed in this medication guide.
Skelaxin (metaxalone) is a muscle relaxant. It works by blocking nerve impulses (or pain sensations) in the brain. Skelaxin is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury. Skelaxin may also be used for purposes not listed in this medication guide.
Tubocurarine (also known as d-tubocurarine or DTC) is a toxic alkaloid historically known for its use as an arrow poison. In the mid-1900s, it was used in conjunction with an anesthetic to provide skeletal muscle relaxation during surgery or mechanical ventilation.