Highlights for phenazopyridine
phenazopyridine Side Effects
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- blue or purple color of the skin
- difficulty breathing
- less urine
- unusual bleeding, bruising
- unusual tired, weak
- yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- dark urine
- stomach upset
phenazopyridine May Interact with Other Medications
Interactions are not expected.
How to Use phenazopyridine
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take after meals. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not skip doses or stop your medicine early even if you feel better. Do not stop taking except on your doctor's advice.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
They need to know if you have any of these conditions:
- glucose-6-phosphate dehydrogenase (G6PD) deficiency
- kidney disease
- an unusual or allergic reaction to phenazopyridine, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Tell your doctor or health care professional if your symptoms do not improve or if they get worse.
This medicine colors body fluids red. This effect is harmless and will go away after you are done taking the medicine. It will change urine to an dark orange or red color. The red color may stain clothing. Soft contact lenses may become permanently stained. It is best not to wear soft contact lenses while taking this medicine.
If you are diabetic you may get a false positive result for sugar in your urine. Talk to your health care provider.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Throw away any unused medicine after the expiration date.
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Last Updated: July 16, 2009