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Phenazopyridine, Oral fen-az-oh-PEER-ih-deen

What are other names for this medicine?

Type of medicine: urinary analgesic

Generic and brand names: phenazopyridine, oral; Azo-Standard; Pyridium; Prodium; UTI Relief

What is this medicine used for?

This medicine is taken by mouth to relieve pain, burning, and discomfort caused by urinary tract infections and other urinary problems. It is usually taken along with an antibiotic.

What should my healthcare provider know before I take this medicine?

Before taking this medicine, tell your healthcare provider if you have ever had:

  • an allergic reaction to any medicine
  • a blood disorder such as G6PD deficiency
  • kidney problems or trouble urinating
  • liver disease

Females of childbearing age: Tell your healthcare provider if you are pregnant or plan to become pregnant. Do not breast-feed while taking this medicine without your healthcare provider's approval.

How do I use it?

Check the label on the medicine for directions about your specific dose. Take this medicine with food or right after a meal to lessen any stomach upset. Normally you will not take this medicine for more than 2 days.

What if I miss a dose?

If you miss a dose, take it as soon as you remember unless it is almost time for the next scheduled dose. In that case, skip the missed dose and take the next one as directed. Do not take double doses. If you are not sure of what to do if you miss a dose, or if you miss more than one dose, contact your healthcare provider.

What if I overdose?

If you or anyone else has intentionally taken too much of this medicine, call 911 or go to the emergency room right away. If you pass out, have seizures, weakness or confusion, or have trouble breathing, call 911. If you think that you or anyone else may have taken too much of this medicine, call the poison control center. Do this even if there are no signs of discomfort or poisoning. The poison control center number is 800-222-1222.

Symptoms of an acute overdose may include: yellowing of the eyes or skin, fever, confusion, weakness, nausea, vomiting, stomach pain, blue-colored skin.

What should I watch out for?

This medicine is used to relieve the discomfort caused by infections, but it will not cure them.

This medicine will color your urine or tears reddish-orange. This is not harmful. This medicine may also stain soft contact lenses. It is best to remove contacts while you are taking this medicine.

Contact your healthcare provider if your condition does not improve in a few days or if it gets worse.

If you need emergency care, surgery, or dental work, tell the healthcare provider or dentist you are taking this medicine.

Diabetics: This medicine may affect urine sugar test results. Talk with your healthcare provider before you change your diet or dosage of diabetes medicine

What are the possible side effects?

Along with its needed effects, your medicine may cause some unwanted side effects. Some side effects may be very serious. Some side effects may go away as your body adjusts to the medicine. Tell your healthcare provider if you have any side effects that continue or get worse.

Life-threatening (Report these to your healthcare provider right away). If you cannot reach your healthcare provider right away, get emergency medical care or call 911 for help): Allergic reaction (hives; itching; rash; trouble breathing; chest pain or tightness in your chest; swelling of your lips, tongue, and throat).

Serious (report these to your healthcare provider right away): Weakness, skin discoloration or rash, light-colored bowel movements; severe abdominal pain; yellowish eyes or skin.

Other: Stomach upset, headache, dizziness.

What products might interact with this medicine?

No significant drug interactions have been reported.

If you are not sure if your medicines might interact, ask your pharmacist or healthcare provider. Keep a list of all your medicines with you. List all the prescription medicines, nonprescription medicines, supplements, natural remedies, and vitamins that you take. Be sure that you tell all healthcare providers who treat you about all the products you are taking.

How should I store this medicine?

Store this medicine at room temperature. Keep the container tightly closed. Protect it from heat, high humidity, and bright light.


This advisory includes selected information only and may not include all side effects of this medicine or interactions with other medicines. Ask your healthcare provider or pharmacist for more information or if you have any questions.

Ask your pharmacist for the best way to dispose of outdated medicine or medicine you have not used. Do not throw medicine in the trash.

Keep all medicines out of the reach of children.

Do not share medicines with other people.


Developed by RelayHealth.
Medication Advisor 2012.1 published by RelayHealth.
Last modified: 2010-03-29
Last reviewed: 2010-03-29
This content is reviewed periodically and is subject to change as new health information becomes available. The information is intended to inform and educate and is not a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional.
© 2012 RelayHealth and/or its affiliates. All rights reserved.
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