User:Mr. Ibrahem/Zileuton

Zileuton, sold under the trade name Zyflo among others, is a medication used for the maintenance treatment of asthma. It may be used as an add on therapy when inhaled steroids are insufficient. It is taken by mouth two to four times per day.

Common side effects include nausea and a sore throat. Other side effects may include liver problems. It is unclear if use during pregnancy is safe, with some animal studies finding harm. It is a leukotriene modifier that blocks the production of leukotrienes.

Zileuton was approved for medical use in the United States in 1996. It is not approved in Europe. It is available as a generic medication. A month of medication in the United States costs about 900 USD as of 2021. It is available in an immediate and extended release formulation.