Pharmacology Mechanism of action of zileuton: September 2012, March 2013 A Cyclo-oxygenase inhibitor B 5-lipo-oxygenase inhibitor C 5-phospho-di-esterase inhibitor D Prevents mast cell degranulation 💡 Explanation Mechanism of action of zileuton: September 2012, March 2013 ✓ Correct Answer: B. 5-lipo-oxygenase inhibitor