ZANAFLEX Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • abnormal liver function tests

If experienced, these tend to have a Less Severe expression i

  • throat irritation
  • a stuffy and runny nose
  • dry mouth
  • constipation
  • drowsiness
  • inducing of a relaxed easy state
  • dizziness
  • a skin rash
  • a type of speech disorder called dysarthria
  • generalized weakness

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • mental problems from taking the drug
  • toxic amblyopia, a loss of vision
  • low blood pressure
  • hallucinations
  • fainting
  • seizures

If experienced, these tend to have a Less Severe expression i

  • orthostatic hypotension, a form of low blood pressure
  • muscle tremors
  • a type of abnormal movement disorder called dyskinesia
  • vomiting

RARE side effects

If experienced, these tend to have a Severe expression i

  • rapid ventricular heartbeat
  • inflammation of the liver called hepatitis
  • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
  • skin rash with sloughing
  • a significant type of allergic reaction called anaphylaxis
  • a type of allergic reaction called angioedema
  • a feeling of pins and needles on skin

If experienced, these tend to have a Less Severe expression i

  • depression
  • joint pain

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Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.