Tizanidine Oral

In Depth

Generic Name: TIZANIDINE - ORAL
Pronounced: (tize-AN-ih-deen)

Tizanidine Oral Side Effects

Constipation, dry mouth, drowsiness, dizziness, weakness and fatigue may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.

To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water or use a saliva substitute.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

fainting
mental/mood changes including seeing things that aren't there
frequent/burning urination
hearing or vision changes such as blurred vision

Tell your doctor immediately if any of these rare but very serious side effects occur:

black stool
slow or irregular heartbeat

Tizanidine rarely has caused very serious (possibly fatal) liver disease. Tell your doctor immediately if you develop symptoms of liver disease, including persistent nausea, stomach/abdominal pain, dark urine, yellowing eyes/skin.

A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include:

rash
itching/swelling (especially of the face/tongue/throat)
severe dizziness
trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.