Phenazopyridine (By mouth)

Phenazopyridine (fen-ay-zoe-PIR-i-deen)

Relieves symptoms caused by urinary tract infections and other urinary problems.

Brand Name(s):

Azo Standard, Azo Urinary Pain Relief, Baridium, Good Neighbor Pharmacy Urinary Pain Relief, Leader Urinary Pain Relief, Preferred Urinary Pain Relief, Pyridium, Quality Choice Urinary Pain Relief, Sunmark Urinary Pain Relief, URO-Pain, URO-Pain Maximum Strength, Urinary Pain Relief, Uristat Ultra, Woman's Wellbeing UTI Relief

When This Medicine Should Not Be Used:

How to Use This Medicine:

Tablet

• Your doctor will tell you how much medicine to use. Do not use more than directed.
• Take this medicine after meals.
• Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

• Tell your doctor if you are pregnant or breastfeeding, or if you have liver disease.
• This medicine may cause your urine to become a reddish-orange color and may stain clothing.
• Tell your doctor if you wear contact lenses. Your contact lenses could become discolored while taking this medicine.
• Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
• Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Change in how much or how often you urinate, headache, muscle twitching, seizures, swelling of the face, ankles, or hands
• Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
• Trouble breathing, tiredness, uneven heartbeat

If you notice these less serious side effects, talk with your doctor:

• Stomach upset

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 3/4/2025