Hill's Prescription Diet - Dry Dog Food - Canine u/d Urinary Care - 8.5LBSOverview: Bladder stones are collections of mineral crystals that combine together in the urinary tract. They can cause discomfort and lead to more serious problems that require the care of a veterinarian. Because the food your dog eats plays an important role in his or her overall health and well being, Hill's nutritionists and veterinarians have developed clinical nutrition especially formulated to help support your dog's bladder health. Dogs need