Azo yeast plus is made from homeopathic ingredients known for their effect on yeast growth and vaginal ph. Darkened urine may also cause stains to your underwear that may be permanent. Azo Urinary Tract Defense Antibacterial Protection Tablets 24 Ct - Fred Meyer There is a subset of persons that do not respond to this medication. How fast does azo pills work . How long does it take for azo to kick in? Drink plenty of liquids while you are taking azo urinary pain relief. It is taken orally, three times a day as long as the symptoms persist. This dietary supplement, marketed primarily to women, supposedly “helps control the need to go to the bathroom,” “helps reduce occasional urgency,” and “supports a good night’s sleep,” according to its manufacturer. This is a normal effect and is not harmful. Once you take azo urinary pain relief® maximum strength, you could find the relief you need in as little as 20 minutes. Azo urinary pain relief reaches the bladder within o...