Understanding Zyflo (Zileuton) for Asthma Management

Zyflo, containing the active ingredient Zileuton, is used to manage and prevent symptoms of asthma.

Zyflo (Zileuton) FAQ

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What is Zyflo (zileuton) used for?

Zyflo (zileuton) is a leukotriene synthesis inhibitor used to control long-term (chronic) asthma and help decrease the number of asthma attacks. What Are Side Effects of Zyflo? Common side effects of Zyflo include: vomiting. Tell your doctor if you have unlikely but serious side effects of Zyflo including:

How does Zyflo work?

ZYFLO activity is primarily due to the parent drug. Studies with radiolabeled drug demonstrated that orally administered zileuton is well absorbed into the systemic circulation with 94.5% and 2.2% of the radiolabeled dose recovered in urine and feces, respectively. Several zileuton metabolites have been identified in human plasma and urine.

Is Zyflo a rescue inhaler?

Zyflo ® (zileuton) is an oral drug used as part of a preventive and long-term treatment plan for asthma. It is not a rescue inhaler and will not help an asthma attack that has already started. Your doctor may also prescribe short-acting bronchodilators for emergency relief of an acute asthma attack. 1,2 How does Zyflo work?

How does zileuton work?

Zileuton belongs to a class of medications called leukotriene synthesis inhibitors. It works by stopping the formation of certain natural substances that cause swelling, tightening, and mucus production in the airways. How should this medicine be used? Zileuton comes as a tablet and an extended-release (long-acting) tablet to take by mouth.