Frequently Asked Questions

AZO Standard What causes a Urinary Tract Infection (UTI)?
Bacteria attaching to the bladder wall most often cause urinary tract infections. The most common bacteria to cause a UTI are found in the rectum.
What are the symptoms of a UTI?
The most common symptoms of UTI are:

  • Frequent need to urinate
  • Burning sensation while urinating
  • Bladder spasm
  • Lower backache
  • Fever
  • Pain
Does this product contain gluten?
No, AZO STANDARD® and AZO STANDARD® Maximum Strength do not contain wheat or wheat byproducts. They may contain cornstarch.
Will AZO STANDARD® and AZO STANDARD® Maximum Strength cure my UTI?
No, AZO STANDARD® and AZO STANDARD® Maximum Strength are not antibiotics. The only clinically proven cure for a UTI is a prescription antibiotic.
How long can I take AZO STANDARD® and AZO STANDARD® Maximum Strength?
The recommended dosage is two (2) tablets for two days. You should not exceed 12 tablets or two days without consulting your healthcare professional.
Can men take AZO STANDARD® and AZO STANDARD® Maximum Strength ?
Yes, AZO STANDARD® and AZO STANDARD® Maximum Strength will effectively treat UTI symptoms in both men and women.
Can I take AZO STANDARD® and AZO STANDARD® Maximum Strength if I am pregnant or breastfeeding?
Please consult your healthcare professional before taking if you are pregnant or breastfeeding. There have not been any studies done to determine if Phenazopyridine hydrochloride passes to the baby or through breast milk.
Can I take AZO STANDARD® and AZO STANDARD® Maximum Strength for more than two days?
We cannot recommend taking AZO STANDARD® and AZO STANDARD® Maximum Strength for more than two days. There have been no long-term usage studies done on this product. As always, be sure to discuss your needs with your healthcare professional.
How long does AZO STANDARD® and AZO STANDARD® Maximum Strength stay in the body?
AZO STANDARD® and AZO STANDARD® Maximum Strength will stay in your system for 24-48 hours. The exact amount of time will vary for each individual. It is reasonable to think that once the urine has returned to its normal color than the body has passed it.
Will AZO STANDARD® and AZO STANDARD® Maximum Strength interfere with drug tests?
AZO STANDARD® and AZO STANDARD® Maximum Strength may interfere with the reading of any colorimetric urine analysis, as the dye will color the test pads and may make them difficult to read.
Can I take only half a tablet?
No, the tablets are not scored and should be taken whole. Cutting the tablet will break the thin protective coating and may cause staining on the skin and any other surface they come in contact with.
Can I chew the AZO STANDARD® and AZO STANDARD® Maximum Strength tablets?
No, chewing the tablets will cause the teeth and mouth to become stained by the Phenazopyridine, an organic dye. The tablets are to be taken whole, not cut, chewed or crushed.
How can AZO STANDARD® and AZO STANDARD® Maximum Strength stain my contact lenses?
This warning is for the handling of the tablets and then handling contact lenses. If the tablets are handled long enough to dissolve the thin coating on the tablets, then the dye can transfer from your fingers to contact lenses. This situation is true with any objects you may come in contact with after handling the AZO STANDARD® and AZO STANDARD® Maximum Strength tablets.
What kind of food allergies does the package refer to?
Phenazopyridine Hydrochloride is an organic dye. If you are sensitive to dyes in foods then you may be sensitive to AZO STANDARD® and AZO STANDARD® Maximum Strength. We recommend you consult your healthcare professional before taking.
Can I give AZO STANDARD® and AZO STANDARD® Maximum Strength to a child?
AZO STANDARD® and AZO STANDARD® Maximum Strength are not recommended for children under the age of 12, unless specifically recommended by a healthcare professional.
Can I give AZO STANDARD® and AZO STANDARD® Maximum Strength to my pet?
AZO STANDARD® and AZO STANDARD® Maximum Strength are intended for human consumption. There is no way for us to predict how a pet will respond.

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