Skip to main content

Urinary Analgesic Side Effects

Generic name: phenazopyridine

Medically reviewed by Last updated on Aug 12, 2023.

Note: This document contains side effect information about phenazopyridine. Some dosage forms listed on this page may not apply to the brand name Urinary Analgesic.

Applies to phenazopyridine: oral tablet.

Serious side effects of Urinary Analgesic

Along with its needed effects, phenazopyridine (the active ingredient contained in Urinary Analgesic) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking phenazopyridine:


Other side effects of Urinary Analgesic

Some side effects of phenazopyridine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

For Healthcare Professionals

Applies to phenazopyridine: compounding powder, oral tablet.

Nervous system

Frequency not reported: Headache[Ref]


Frequency not reported: Rash, pruritus[Ref]


Frequency not reported: Upset stomach[Ref]


Frequency not reported: Orange to red discoloration of the urine[Ref]


Frequency not reported: Anaphylactic-like reaction[Ref]


Frequency not reported: Staining of contact lenses[Ref]

Frequently asked questions


1. (2018) "Product Information. Phenazopyridine Hydrochloride (phenazopyridine)." Amneal Pharmaceuticals

2. (2018) "Product Information. AZO Urinary Pain Relief Max Strength (phenazopyridine)." i-Health, Inc

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.