What are the possible side effects of tizanidine

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

    feeling light-headed, fainting, slow heart rate;
    hallucinations, confusion, unusual thoughts or behavior;
    nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
    burning or pain when you...


What are the precautions when taking tizanidine (Zanaflex)?

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.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: low blood pressure or heart disease, kidney disease, liver disease.

This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Avoid alcoholic beverages.

To minimize dizziness, stand up slowly when arising from a sitting or lying position.

Caution is...

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