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

Effectiveness of Phenazopyridine for Pain Following Urodynamics