Zafirlukast Side Effects by Likelihood and Severity

INFREQUENT side effects


If experienced, these tend to have a Less Severe expression

  • Head Pain
  • Nausea

RARE side effects


If experienced, these tend to have a Severe expression

  • A Type Of Allergic Reaction Called Angioedema
  • Abnormal Liver Function Tests
  • Acute Liver Failure
  • Allergic Reaction Causing Inflammation Of Blood Vessels
  • Bleeding
  • Bruising
  • Damage To The Liver And Inflammation
  • High Amount Of Bilirubin In The Blood
  • Hives
  • Inflammation Of The Liver Called Hepatitis
  • Liver Problems
  • Pneumonia With High Amount Of Eosinophil White Blood Cells
  • Suicidal Behavior
  • Suicidal Thoughts
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

  • A Feeling Of General Discomfort Called Malaise
  • Abnormal Dreams
  • Aggressive Behavior
  • Agitation
  • Anxious Feelings
  • Depression
  • Diarrhea
  • Difficulty Sleeping
  • Fever
  • Hallucinations
  • Increased Eosinophils In The Blood
  • Indigestion
  • Irritability
  • Itching
  • Joint Pain
  • Muscle Pain
  • Muscle Tremors
  • Nervousness
  • Stomach Cramps
  • Vomiting

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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.