How do members experience Butabarbital/hyoscyamine/phenazopyridine? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Headaches 1 0 0% 0% 0% 0% 0% This item is relevant to you: Migraine headaches 1 0 0% 0% 0% 0% 0%