Get our free Urocit k coupon and be eligible to receive a discount. You can reduce your Urocit k cost by up to 75% with our free Urocit k discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Preventing certain types of kidney stones. It also may be used for other conditions as determined by your doctor. Urocit-K is a urinary alkalinizing agent. It works by neutralizing some of the acid in the urine, which helps reduce the formation of crystals.