Pyridium or Phenazopyridine

Other Names: Azo-Standard, Di-Azo, Phenazodine, Pyridiate, Urodine

Why is this drug prescribed?
Phenazopyridine relieves urinary tract pain, burning, irritation, and discomfort, as well as urgent and frequent urination caused by urinary tract infections, surgery, injury or examination procedures.

When should it be used?
Phenazopyridine usually is taken three times a day after meals. Follow the instructions on your prescription label carefully, and ask your pharmacist to explain any part that you do not understand. You may stop taking this drug when pain and discomfort completely disappear.

How should it be used?
Phenazopyridine comes in tablets. Your prescription label tells you how much to take at each dose. Do not chew or crush these tablets; swallow them whole with a full glass of water. Ask your pharmacist any questions you have about refilling your prescription.

What special instructions should I follow while using this drug?
If you have a urinary tract infection, drink plenty of water. Also, keep all appointments with your doctor and the laboratory. You may have urine tests to determine when the infection is cured.

What should I do if I forget to take a dose?
If you have pain or discomfort, take the missed dose as soon as you remember it; otherwise, omit the missed dose. If you take a missed dose when it is almost time for your next scheduled dose, skip the scheduled dose. Do not take a double dose.

What side effects can this drug cause? What can I do about them?

  • Orange- to red-colored urine
    This effect is harmless.
  • Headache, dizziness, and/or mild stomach upset
    Contact your doctor if these effects are severe or persistent.
  • Yellowing of skin or eyes
    Stop taking the drug and Contact us immediately.

What other precautions should I follow while using this drug?
Before you take phenazopyridine, tell us if you have kidney or liver disease, or if you are pregnant or breast-feeding. Phenazopyridine can interfere with laboratory tests, including urine tests for glucose (sugar) and ketones. Before you have any tests, tell the laboratory personnel and us that you take this medication. Diabetics should use Clinitest to test their urine for sugar because phenazopyridine does not affect the results. Do not allow anyone else to take this medication.