Zafirlukast: Preventing Asthma Attacks

A leukotriene receptor antagonist used to prevent asthma attacks in adults and children.
Category
Drug
Where to get
Prescription-based, available at pharmacies
Applicable for
Class
Leukotriene receptor antagonist
Prepared by Lee Cheng, reviewed by Dr. Helena Rodriguez

Zafirlukast FAQ


Image credit: drugs.com

What class of medication is zafirlukast?

Zafirlukast belongs to the leukotriene receptor antagonist (LTRA) class of medications and is available in strengths of 10 mg and 20 mg chewable tablets for oral administration. The U.S. Food and Drug Administration (FDA) approved the medication for managing chronic asthma in adults and children 5 or older.

How do you take zafirlukast?

Montelukast and zafirlukast are leukotriene receptor antagonists taken orally in the treatment of asthma. Doses are as follows: Montelukast — 10 mg once daily in adults and children aged 15 years and older, 5 mg once daily in children aged 6–14 years, and 4 mg once daily in children aged 6 months to 5 years. Doses to be taken in the evening.

What are the side effects of zafirlukast?

Zafirlukast is an orally administered leukotriene receptor antagonist (LTRA) used for the chronic treatment of asthma. While zafirlukast is generally well tolerated, headache and stomach upset often occur. Some rare side effects can occur, which can be life-threatening, such as liver failure.

Is zafirlukast FDA approved?

Zafirlukast (brand name Accolate) was the first cysteinyl leukotriene receptor antagonist approved in the United States. It is now approved in many other countries under other brand names. Zafirlukast is FDA -approved for the prevention and treatment of asthma in adults and children older than 5 years old.

Zafirlukast References

If you want to know more about Zafirlukast, consider exploring links below:

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