About phenazopyridine
Urinary tract analgesic
Used for
- Relieves burning, pain, urgency, and discomfort from urinary tract irritation.
- Provides symptom relief while antibiotics treat a bacterial urinary infection; it does not cure infection.
Usual adult dose
Commonly 200 mg by mouth three times daily after meals, for no more than two days when used with an antibiotic.
Usual dose in children
Not routinely used in children; dosing requires clinician guidance.
Common side effects
- Orange-red urine or tears; may stain clothing or contact lenses.
- Headache, dizziness, or stomach upset.
- Rarely, blood disorders, kidney or liver injury, or skin reactions.
Important warnings
- Avoid with significant kidney disease; use only briefly.
- Can mask symptoms without treating the underlying cause; persistent symptoms need medical evaluation.
- Seek urgent care for shortness of breath, bluish skin, severe rash, or yellowing skin.
- May interfere with urine tests and stain soft contact lenses.
Pregnancy
Human safety information is limited; use only when clearly needed and directed by a healthcare professional.
Breastfeeding
Safety information is limited; use only with professional guidance, particularly for newborns or infants with G6PD deficiency.
Interactions
- May interfere with urine tests, including tests for glucose or ketones.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.