Zileuton Home>Pharmacy>Drugs_and_Medications>Z>Zileuton     Web Pages Zyflo Full prescribing information from RxList. Zyflo (zileuton) - Newly Approved Drug Therapies Brief summary for health professionals including clinical results, safety data, and mechanism of action from Centerwatch. Zileuton Information For Consumers Brief patient FAQ in html format from Medline Plus.