Tags: Drug.
Tizanidine (trade names Zanaflex Sirdalud) is a drug that is used as a muscle relaxant. It is a centrally acting α2 adrenergic agonist. It is used to treat the spasms cramping and tightness of muscles caused by medical problems such as multiple sclerosis ALS spastic diplegia back pain or certain other injuries to the spine or central nervous system. It is also prescribed off-label for migraine headaches as a sleep aid and as an anticonvulsant.
