Drug information provided by: Merative, Micromedex®
Zafirlukast is used to help control the symptoms of asthma and improve lung function. However, this medicine should not be used to relieve an asthma attack that has already started.
This medicine is available only with your doctor's prescription.
This product is available in the following dosage forms:
Portions of this document last updated: June 01, 2023
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