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Zanaflex 4mg

Zanaflex 4mg


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Starting from $0.72

Quick Overview

Zanaflex 4 mg contains Tizanidine which belongs to the muscle relaxant. It acts as a centrally alpha 2 adrenergic agonist.

Quantity Strength Price Unit Price
30 Tablets Zanaflex 4mg $22.00 $0.73
90 Tablets Zanaflex 4mg $65.00 $0.72

Zanaflex 4 mg comes under the class of muscle relaxant which is used to lower the sensation of pain in the body. It contains Tizanidine as an active ingredient. It acts by lowering the sensation of pain by inhibiting the nerve impulses.

Uses of Zanaflex 4 mg:

  • Used in the treatment of muscle spasm associated due to any injury in the spinal cord or multiple sclerosis.
  • Also useful in relaxing the muscles by reducing the pain in it.
  • Useful in the treatment of cluster headache.

Mechanism of action:

Zanaflex 4 mg contains Tizanidine which belongs to the muscle relaxant. It acts as a centrally alpha 2 adrenergic agonist. It acts by enhancing the inhibition of presynaptic motor neurons. Due to this, the signals of pain sensation enable to reach in the brain via neurons. Hence, the sensation of pain reduces.


The therapy should not take in numerous situations like:

  • Having allergy problem to the active and inactive ingredient of the Zanaflex 4 mg.
  • Don't beneficial for Breast feeding mother or pregnant women.
  • Having medical history like liver or kidney impairment.

 Drug interactions:

Zanaflex 4 mg has an interaction problem with the other therapy of the medicine. This type of interaction may alter the activity of each other therapy. Such drugs are:

  • Drugs of CYP450 1A2 inhibitors like Ciprofloxacin.
  • Anti arrhythmias drugs like Amiodarone.
  • Anti ulcer drugs like Cimetidine.
  • Drugs related Flouroquinolones like Norfloxacin
  • Blood thinning drugs like Warfarin. as it increases the chances of bleeding.
  • Having the therapy of oral contraceptives.


  • Should be kept at room temperature ranging from 15- 25° C.
  • Should be protected from heat, light and moisture.

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It is oral dosage form available in tablet in capsule form in the market. The recommended dose for the safer therapy of Zanaflex 4 mg is 2 to 3 times within 24 hours with a full glass of water. It is a short acting dosage form.


Avoid taking more dose of Zanaflex 4 mg for getting effective effects of it, because it may increases the chances of some chronic adverse effects in the patients.

Sign and symptoms of Zanaflex 4 mg:

  • Feeling of nausea and vomiting,
  • Causes hypotension,
  • Disorder related to respiratory tract,
  • Tiredness
  • Coma

Missed dose:

The efficiency of the Zanaflex 4 mg is maintained, if the doses of it will take on their specific time. But, if the patient fails to take any dose of it, then take it as soon as possible before you reaching the time for next dose. Don't try to take the double or extra dose of it, if it reaches the time for next dose.

The unnecessary or disagreeable effects created by the Zanaflex 4 mg which are unsafe to the patients. These effects are produced along with the therapeutic effect after the intake of drug. Such side effects are:

  • Acute side effects:  Stomach disorder (constipation, diarrhea or bloating), feeling of nausea and vomiting, hypersensitivity problem (skin rashes, itching), headache and migraine, nervousness, enhancement in muscle tone or spasm and dry mouth.
  • Chronic side effects:  Hallucinations, loss of appetite, jaundice, stomach pain or bleeding, fluctuation in heart rate and painful urination.

While having the dosage form, some care should be taken. They are:

  • Don't crush or break the dosage form for the ease of administration.
  • Not suggested for children below the age of 18 yrs.
  • Don't administer during the pregnancy period.
  • Avoid driving or machinery work after the intake of drug.
  • Avoid alcohol consumption before or after the drug administration.