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Tizanidine Hcl

Tizanidine Hcl


Tizanidine is used to help relax certain muscles in your body. It relieves spasms, cramping, and tightness of the muscles caused by medical problems, such as 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 central nervous system (CNS) to produce its muscle relaxant effects. Its actions on the CNS may also cause some of the medicine's side effects.

How it works

Tizanidine belongs to a class of drugs called alpha-2-adrenergic agonists. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.


Take this medicine only as directed by your doctor. Do not take more of it and do not take it more often than your doctor ordered. To do so may increase the chance of side effects.When you take the different dosage forms (tablets, capsules, capsule contents sprinkled over applesauce) of tizanidine with food, it affects the amount of the medicine absorbed into your blood differently. Follow your doctor's instructions for when to take this medicine and whether or not you should take it with food.


Before taking tizanidine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Side Effect

  • dry mouth
  • tiredness
  • weakness
  • dizziness
  • urinary tract infection
  • constipation
  • vomiting
  • trouble speaking
  • runny nose
  • sore throat
  • vision problems

Important warnings

  • Low blood pressure warning: Tizanidine can cause very low blood pressure that leads to dizziness or fainting. To help reduce this risk, your doctor may prescribe the lowest dose of this drug that works for you. If you already take medications that lower blood pressure, your doctor may check your blood pressure more often.
  • Liver damage warning: Tizanidine can cause liver damage. If you have liver disease, talk with your doctor about whether this drug is safe for you. If you take this drug, your doctor may monitor you for changes in how well your liver works.
  • Hallucinations or delusions warning: Tizanidine can cause visual hallucinations (seeing things that aren’t real). It can also cause delusions (believing things that aren’t real). If have either of these side effects, stop taking this drug and call your doctor right away.