Hill's® Prescription Diet® u/d® Canine Urinary Care Non-StruviteHill's Prescription Diet u d Canine Urinary Care Non Struvite This Prescription Diet is sold under veterinary supervision. Please check with your veterinarian if this diet is suitable for your pet before purchase 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