PHENAZOPYRIDINE
Phenazopyridine is a medication that belongs to a class of drugs called urinary tract analgesics. It is used to relieve pain, burning, urgency, frequent urination, and discomfort caused by irritation of the lower urinary tract. Phenazopyridine can also be used to diagnose urinary tract infections, but it should not be used as a treatment for the infection itself.
Common side effects of phenazopyridine include
- Nausea
- Stomach pain
- Headache
- Dizziness
- Drowsiness
- Constipation
- Allergic reactions like itching, rash, hives
- Discoloration of urine, urine turning to red or brown color
Less common but serious side effects include
- Yellowing of the skin or eyes (jaundice)
- Unusual tiredness or weakness
- Seizures
- Kidney problems
- Blood in the urine
It is important to consult with a healthcare provider if you experience any of these serious side effects while taking phenazopyridine. They will advise you on what to do next. It’s also important to note that Phenazopyridine can cause a false-positive test for urine glucose, so people with diabetes need to inform the doctor about taking this medication prior to any lab test.
This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.