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All about: Phenazopyridine

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Generic Name: Phenazopyridine (fen-AY-zoe-PIR-i-deen)
Brand Name: Examples include Azo-Gesic and Pyridium

Phenazopyridine is used for:

Relieving pain, burning, urgency, frequent urination, and discomfort caused by irritation of the lower urinary tract. It may also be used for other conditions as determined by your doctor.

Phenazopyridine is a urinary tract analgesic. Exactly how Phenazopyridine works is not known. It is thought to work by relieving pain on the lining of the urinary tract.

Do NOT use Phenazopyridine if:

  • you are allergic to any ingredient in Phenazopyridine
  • you have decreased kidney function

Contact your doctor or health care provider right away if any of these apply to you.

Before using Phenazopyridine :

Some medical conditions may interact with Phenazopyridine . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have a history of certain blood problems (eg, hemolysis)
  • if you have an enzyme deficiency called glucose-6-phosphate dehydrogenase (G-6-PD) deficiency or a family history of this deficiency

Some MEDICINES MAY INTERACT with Phenazopyridine . However, no specific interactions with Phenazopyridine are known at this time.

Ask your health care provider if Phenazopyridine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Phenazopyridine :

Use Phenazopyridine as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Take Phenazopyridine by mouth after meals.
  • Taking Phenazopyridine at the same time(s) each day will help you remember to take it.
  • If you miss a dose of Phenazopyridine , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Phenazopyridine .

Important safety information:

  • Do NOT take more than the recommended dose or use for longer than 2 days without checking with your doctor.
  • Do not use Phenazopyridine for future urinary tract problems without first checking with your doctor.
  • Phenazopyridine may change the color of your urine to orange or red. It may also stain fabric. This is normal and not a cause for concern.
  • Do not wear soft contact lenses while taking Phenazopyridine ; permanent staining of the lenses may occur.
  • Phenazopyridine may interfere with certain lab tests including urinalysis. Be sure your doctor and lab personnel know you are taking Phenazopyridine .
  • Use Phenazopyridine with caution in the ELDERLY; they may be more sensitive to its effects.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Phenazopyridine while you are pregnant. It is not known if Phenazopyridine is found in breast milk. If you are or will be breast-feeding while you use Phenazopyridine , check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Phenazopyridine :

All medicines may cause side effects, but many people have no, or minor, side effects. No COMMON side effects have been reported with Phenazopyridine . Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blue or purple skin color; decreased urination; loss of appetite; unusual fatigue; vomiting; weight loss; yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include bluish coloring of the skin; vomiting; yellowing of the skin or eyes.

Proper storage of Phenazopyridine :

Store Phenazopyridine at room temperature, between 68 and 77 degrees F (20 and 25 degrees C), in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Phenazopyridine out of the reach of children and away from pets.

General information:

  • If you have any questions about Phenazopyridine , please talk with your doctor, pharmacist, or other health care provider.
  • Phenazopyridine is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Phenazopyridine . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

Issue Date: September 5, 2007
Database Edition 07.3.1.003
Copyright © 2007 Wolters Kluwer Health, Inc.

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