Public health libraryEducational information. No account needed.

Medication guide

Phenazopyridine Hydrochloride

Generic name
Phenazopyridine Hydrochloride
Common brand names
AZO Urinary Pain Relief, Uristat
Medication class
Urinary tract analgesic

Overview

Its medication class is Urinary tract analgesic. Common uses include Relief of urinary tract discomfort/urgency burning. Product forms and labels can differ, so follow the specific package instructions and ask a pharmacist or qualified healthcare professional about individual questions.

How to Take it

Route
Oral tablet/capsule/lozenge/systemic.
Time of day
Usually once daily with a main meal for better tolerance/absorption.
With food/water
Take with full water (120–240 mL), often with food if GI upset occurs.
Preparation
Swallow intact; keep consistent with meals and separate from interacting minerals when relevant.
Safe dose
Follow label age and indication-specific dose.
Max dose
Do not stack with other products containing the same active.
Frequency
As labeled, typically once daily or as-needed short courses.
Other recommendations
Check interactions with prescription medicines; monitor bowel or sleep changes.

Common uses

  • Relief of urinary tract discomfort/urgency burning

Common side effects

  • Headache
  • dizziness
  • drowsiness
  • nausea
  • skin rash
  • and stomach discomfort

Important warnings

  • Symptomatic only; does not treat infection. Use only short-term (2 days OTC unless advised). Urine darkening is expected but blood in urine, fever, flank pain, or persistent pain requires urgent care. Avoid in severe kidney/liver disease and pregnancy without advice.

General interactions information

Can mask serious UTI symptoms; caution with kidney/liver disease and other analgesics

Sources / references

These references offer further reading. A source link does not establish that a clinician has reviewed every statement in this guide.

Editorial record

Recorded content review date:

A named medical reviewer and their credentials have not yet been documented for this guide.

Editorial standards and corrections
Browse all medications →