Pharmacology Autacoids 8b586a5b Zileuton is a A 5 lipooxygenase inhibitor B TXA2 inhibitor C Leukoteriene receptor antagonist D Prostaglandin synthesis inhibitor High-Yield Explanation Zileuton is an orally active inhibitor of 5-lipoxygenase, and thus inhibits leukotrienes (LTB4, LTC4, LTD4, and LTE4) formation, used for the maintenance treatment of asthma. Ref: KD Tripathi 8th ed