Effectiveness of Phenazopyridine for Pain Following Urodynamics

Effectiveness of Phenazopyridine for Pain Following Urodynamics

The purpose of the study is to determine if taking phenazopyridine (AZO) at the time of urodynamic study testing will decrease pain experienced by patients after undergoing urodynamic testing.

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