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Drug Class: Commonly Known As: Category:
Alpha-2 Adrenergic Agonist Adult, Children

Tizanidine - Side Effects, Precautions, and Contraindications

What side effects can Tizanidine cause?

​Like all medicines, this medication may cause some possible side effects but not everyone experiences them. Consult your healthcare professional if any of the side effects lasts more than a few days or become severe and bothersome.

Common side effects include:

  • Dizziness, low blood pressure
    • Get up slowly from sitting or lying down position
  • Drowsiness, muscle weakness
    • Have sufficient rest
    • Avoid driving or operate machinery or engage in strenuous physical activities
  • Dry mouth
    • Ensure adequate hydration
  • Constipation
    • Ensure adequate hydration and fiber intake

Very rarely, this medication may cause:

  • Hallucinations (seeing things that are not really there)
  • Liver problems: Dark coloured urine or light-coloured stools, yellowing of your eyes or skin, severe loss of appetite, stomach pain, nausea, vomiting that does not go away

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Tizanidine, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication
  • You are pregnant, planning to become pregnant, or breastfeeding
  • You are taking any other medications, including supplements, traditional medications and herbal remedies
  • You have liver, kidney or heart problems

What food or medicine must I avoid when I take Tizanidine?

  • ​Avoid drinking alcohol while taking this medication.
  • Some medications may interact with this medication (including antibiotics). Check with your doctor or pharmacist if you want to take any other medicines, supplements or herbal products.

Tizanidine - Additional Information

  • Updated on Tuesday, August 10, 2021
  • Article contributed by Pharmacy Department KK Women's and Children's Hospital

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