Zyflo (Zileuton) for asthma | MyAsthmaTeam

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Zyflo is a prescription drug approved by the U.S. Food and Drug Administration (FDA) to treat asthma in adults and children 12 years of age and older. Zyflo is also referred to by its drug name, zileuton.

Zyflo is a member of a class of drugs called leukotriene inhibitors. Zyflo is believed to work by reducing the production of leukotrienes in the body. Leukotrienes are chemicals involved in airway edema (swelling), smooth muscle contraction, and other processes associated with the symptoms of asthma. Inhibiting (holding back) their production helps to relieve these symptoms.

How do I take it?
Prescribing information states that Zyflo is taken orally (by mouth) as a tablet four times daily.

Zyflo should be taken exactly as prescribed by a physician.

Side effects
The FDA-approved label for Zyflo lists common side effects including headache, abdominal pain, weakness, indigestion, nausea, and joint pain.

Rare but serious side effects listed for Zyflo include abnormal liver function test results, sleep disorders, and behavioral changes.

For more details about this treatment, visit:

Zyflo — Drugs.com

Zileuton (Oral Route) — Mayo Clinic

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