Generic name: Phenazopyridine [ fen-az-oh-PEER-i-deen ]
Other brand names of Phenazopyridine include AZO Urinary Pain Relief, Baridium, Pyridium, Urinary Pain Relief
Drug class: Miscellaneous genitourinary tract agents

Medically reviewed by Drugs.com. Last updated on Feb 24, 2024.

Uses of AZO Urinary Pain Relief:

• It is used to ease pain from a bladder infection.
• It is used to treat urinary signs.

What do I need to tell my doctor BEFORE I take AZO Urinary Pain Relief?

• If you have an allergy to phenazopyridine or any other part of AZO Urinary Pain Relief (phenazopyridine).
• If you are allergic to AZO Urinary Pain Relief (phenazopyridine); any part of AZO Urinary Pain Relief (phenazopyridine); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: Kidney disease or liver disease.

This is not a list of all drugs or health problems that interact with AZO Urinary Pain Relief (phenazopyridine).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take AZO Urinary Pain Relief (phenazopyridine) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take AZO Urinary Pain Relief?

• Tell all of your health care providers that you take AZO Urinary Pain Relief (phenazopyridine). This includes your doctors, nurses, pharmacists, and dentists.
• This medicine is not to be used instead of an antibiotic. It will not cure a bladder infection.
• This medicine may stain clothing or fabric.
• Protect clothing and fabrics from staining.
• This medicine may stain contact lenses.
• Do not wear contact lenses while using AZO Urinary Pain Relief (phenazopyridine).
• This medicine may change the color of urine or stools to an orange or red color. This is normal and not harmful.
• If you have G6PD deficiency, talk with healthcare provider.
• Do not take AZO Urinary Pain Relief (phenazopyridine) for longer than you were told by your doctor.
• This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take AZO Urinary Pain Relief (phenazopyridine).
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using AZO Urinary Pain Relief (phenazopyridine) while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (AZO Urinary Pain Relief) best taken?

Use AZO Urinary Pain Relief (phenazopyridine) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• Take AZO Urinary Pain Relief (phenazopyridine) by mouth with or after food.
• Take with a full glass of water.

What do I do if I miss a dose?

• If you take AZO Urinary Pain Relief (phenazopyridine) on a regular basis, take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.
• Many times AZO Urinary Pain Relief (phenazopyridine) is taken on an as needed basis. Do not take more often than told by the doctor.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of methemoglobinemia like a blue or gray color of the lips, nails, or skin; a heartbeat that does not feel normal; seizures; very bad dizziness or passing out; very bad headache; feeling very sleepy; feeling tired or weak; or shortness of breath. This effect is rare but may be deadly if it happens.
• Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
• Feeling very tired or weak.
• Not able to pass urine or change in how much urine is passed.
• Change in eyesight.

Related/similar drugs

What are some other side effects of AZO Urinary Pain Relief?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Headache.
• Diarrhea.
• Upset stomach or throwing up.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out AZO Urinary Pain Relief?

• Store at room temperature.
• Store in a dry place. Do not store in a bathroom.
• Protect from light.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about AZO Urinary Pain Relief (phenazopyridine), please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Frequently asked questions

• Why do you not take phenazopyridine for more than two days?

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer