Azo-Standard Side Effects
Generic Name: phenazopyridine
Note: This page contains information about the side effects of phenazopyridine. Some of the dosage forms included on this document may not apply to the brand name Azo-Standard.
For the Consumer
Applies to phenazopyridine: oral kit, oral tablet
In addition to its needed effects, some unwanted effects may be caused by phenazopyridine (the active ingredient contained in Azo-Standard). In the event that any of these side effects do occur, they may require medical attention.
If any of the following side effects occur while taking phenazopyridine, check with your doctor or nurse as soon as possible:Rare
- Blue or blue-purple color of skin
- fever and confusion
- shortness of breath, tightness in chest, wheezing, or troubled breathing
- skin rash
- sudden decrease in the amount of urine
- swelling of face, fingers, feet, and/or lower legs
- unusual tiredness or weakness
- weight gain
- yellow eyes or skin
Some of the side effects that can occur with phenazopyridine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:Less common or rare
- itching of the skin
- stomach cramps or pain
For Healthcare Professionals
Applies to phenazopyridine: compounding powder, oral tablet
Nervous system side effects have included headache.[Ref]
Dermatologic side effects have included rash and pruritus.[Ref]
Gastrointestinal side effects have included occasional upset.[Ref]
Genitourinary side effects have included an orange to red discoloration of the urine.[Ref]
1. "Product Information. Pyridium (phenazopyridine)." Warner Chilcott Laboratories, Rockaway, NJ.
Not all side effects for Azo-Standard may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about Azo-Standard (phenazopyridine)
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