You should not use phenazopyridine if you have kidney disease.
Before taking this medicine
You should not use phenazopyridine if you are allergic to it, or if you have kidney disease.
To make sure phenazopyridine is safe for you, tell your doctor if you have:
liver disease;
diabetes; or
a genetic enzyme deficiency called glucose-6-phosphate dehydrogenase (G6PD) deficiency.
FDA pregnancy category B. Phenazopyridine is not expected to harm an unborn baby. Do not use  phenazopyridine without a doctor's advice if you are pregnant.
It is not known whether phenazopyridine passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.
How should I take phenazopyridine?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Take phenazopyridine after meals.
Drink plenty of liquids while you are taking phenazopyridine.
Phenazopyridine will most likely darken the color of your urine to an orange or red color. This is a normal effect and is not harmful. Darkened urine may also cause stains to your underwear that may be permanent.
Phenazopyridine can also permanently stain soft contact lenses, and you should not wear them while taking this medicine.
Do not use phenazopyridine for longer than 2 days unless your doctor has told you to.
This medication can cause unusual results with urine tests. Tell any doctor who treats you that you are using phenazopyridine.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
