Zanaflex is a muscle relaxant that relaxes tension, stiffening or contraction of muscles caused by spasticity. It is prescribed for people with multiple sclerosis, spinal cord injuries, and other disorders that produce protracted muscles spasms.
Tizanidine is a short-acting muscle relaxant used for treating muscle spasms, cramping, and tightness caused by various medical problems including multiple sclerosis, spastic diplegia, and back pain. It works by blocking nerve impulses (pain sensations) that are sent to the brain.
Lioresal is used for treating severe muscle spasms due to a variety of causes, including multiple sclerosis or brain or spinal cord injuries. Lioresal relaxes muscles and relieves pain and discomfort.