Tizanidine is a short-acting muscle relaxant and is used to treat spasticity. Learn about side effects, interactions and indications. Description Tizanidine is used to help relax certain muscles in your body. It relieves spasms, cramping, and tightness of the muscles caused by medical problems, including multiple sclerosis or certain injuries to the spine. Tizanidine does not cure these problems, but it may allow other treatment, such as physical therapy, to be more helpful in improving your condition. Tizanidine acts on the. Tizanidine (Zanaflex) is a muscle relaxant that treats muscle spasms. It relaxes your muscles, which reduces muscle stiffness. Zanaflex (tizanidine) is a short-acting muscle relaxer used to treat spasticity by temporarily relaxing muscle tone. Includes Zanaflex side effects, interactions and indications. Learn about tizanidine (Zanaflex) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Zanaflex is a central alpha-2-adrenergic agonist indicated for the management of spasticity. Because of the short duration of therapeutic effect, treatment with Zanaflex should be reserved for those daily activities and times when relief of spasticity is most important. (1) Find patient medical information for Tizanidine (Zanaflex) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Tizanidine, sold under the brand name Zanaflex among others, is an alpha-2 (α 2) adrenergic receptor agonist, [2] similar to clonidine, that is used to treat muscle spasticity due to spinal cord injury, multiple sclerosis, and spastic cerebral palsy. [3] Effectiveness appears similar to baclofen or diazepam. [4] It is taken by mouth. [5] Common side effects of tizanidine include dry mouth. Zanaflex (Tizanidine) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Learn about Zanaflex: What is it used for, what you need to know before taking, important warnings and safety info, how to take, side effects and more.