Phenazopyridine
Phenazopyridine is a urinary tract analgesic and antiseptic medication used to relieve pain, burning, and discomfort associated with urinary tract infections (UTIs) and other urinary conditions. It works by providing direct, localized relief to the urinary tract lining, and is often used as short-term adjunctive therapy alongside antibiotics when treating UTIs.
Phenazopyridine provides symptomatic relief of urinary tract pain and discomfort, commonly used short-term for UTIs.
Key facts at a glance
- ATC
- G04B02
- RxNorm
- 11145
- Generic
- Phenazopyridine
- Class
- atc-g04
- Brands
- Azo Urinary Pain Relief, Baridium, Uristat, Uricalm, Pyridium
- Availability
- otc
- Pregnancy
- B
- Lactation
- caution
- Half-life (h)
- 1.5
- Onset (min)
- 30
- Duration (h)
- 2
- Routes
- oral
- Forms
- tablet
- Regions
- US, CA, GB, AU, IN
- Monitoring
- methemoglobinemia, hemolytic anemia
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Relief of dysuria (painful urination), burning sensation, urinary urgency, and frequency associated with urinary tract infections, catheter use, or urinary tract procedures. Used as adjunctive therapy alongside antibiotics for treating UTIs.
Acts as a local analgesic on the urinary tract mucosa, providing direct symptomatic relief. Exhibits mild antibacterial properties against certain uropathogenic bacteria. Does not treat the underlying infection itself.
Typically prescribed for short-term use (2 days maximum). Commonly causes orange-red discoloration of urine and other body fluids, which can stain clothing. May cause headache, dizziness, or gastrointestinal upset. Not recommended for use beyond 48 hours without medical supervision. Does not replace antibiotic therapy for active infections.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy