Urinary Tract Infection Test. Clinically tested Tests for Leukocytes & nitrite Fast & easy UTI home test Results in just 2 minutes New no mess handle Individually wrapped AZO Test Strips can help detect if you have a urinary tract infection (UTI). This information will allow you to take an active role with your physician int he management of your health. AZO Test Strips use the same tests most doctors use. AZO Test Strips test for Leukocytes (white blood cells) and Nitrate for greater reliability than other tests. 1 pharmacist recommended brand claim based on 2011 Pharmacy Times OTC survey. Suggested Use: Use at the first sign of a UTI: Urinary pain, burning, urgency, or frequency. Simply wet the test strip by holding in your urine stream for 1-2 seconds. Read both test results at 1 minute for Nitrite and at 2 minutes for Leukocytes. Match the color of the test pads to the color blocks on the bottle label. See insert inside for complete instructions. Store at room temperature 59°-86°F (15°-30°C) out of direct sunlight. For in-vitro (external) diagnostic use. UPC: 787651032672 Weight: 0.32 lbs