Effectiveness of Phenazopyridine for Pain Following Urodynamics

Inclusion Criteria: * ability to provide informed consent * ability to complete visual analog scale * requiring urodynamic testing * 18 years of age or older * must be able to read and write in English or Spanish Exclusion Criteria: * allergy to phenazopyridine * a urinary tract infection in the prior 2 weeks * women who did not undergo urodynamic testing * patient less than 18 years old * patients with known (noted in patient chart and verbally asked) severe renal insufficiency with GFR \<50 mL/min, * patients with known (noted in patient chart and verbally asked) severe hepatitis * patients with known (noted in patient chart and verbally asked) G6PD deficiency * history of fibromyalgia * history of interstitial cystitis * non English or Spanish speaking