AZO STANDARD provides fast relief from urinary pain, burning, urgency and frequency associated with urinary tract infections.Get fast, maximum strength over-the-counter relief of UTI symptoms with AZO Standard Maximum Strength. Provides fast, maximum strength OTC relief of urinary pain, burning, urgency and frequency.Specially formulated to go directly to the site of discomfort and provides relief right where it hurts, unlike general pain relievers.Contains Phenazopyridine Hydrochloride, the #1 ingredient prescribed by doctors and recommended by pharmacists specifically for urinary discomfort. Thats something that general pain relievers with acetaminophen or ibuprofen do not contain.Contains more of the active ingredient per tablet than other leading OTC brands.