Zafirlukast
from class: Pharmacology for Nurses Definition Zafirlukast is an oral leukotriene receptor antagonist used for the maintenance treatment of asthma. It helps reduce bronchoconstriction and inflammation by blocking leukotrienes.
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Predict what's on your test 5 Must Know Facts For Your Next Test Zafirlukast is not indicated for acute asthma attacks; it is used for long-term control. It works by blocking the action of leukotrienes, which are substances in the body that cause bronchoconstriction and inflammation. Common side effects include headache, nausea, diarrhea, and liver enzyme abnormalities. Patients should take Zafirlukast at least one hour before or two hours after meals to ensure proper absorption. Periodic liver function tests are recommended because Zafirlukast can affect liver enzymes. Review Questions What is the primary use of Zafirlukast in asthma management? Why should Zafirlukast be taken on an empty stomach? What are common side effects associated with Zafirlukast?
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