Interactions are not expected.

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
-breast-feeding

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.