How do members experience Zileuton XR? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Aspirin induced asthma 1 0 0% 0% 0% 0% 0% This item is relevant to you: Nasal polyps 1 0 0% 0% 0% 0% 0% This item is relevant to you: Sinus congestion 1 0 0% 0% 0% 0% 0%