Purina Pro Plan Veterinary Diets Canine UR Urinary is formulated to promote urine in the pH range to help dissolve urinary stones. It can also reduce the risk of stones reforming. When bladder stones form they irritate the bladder which causes pain and bleeding. If your dog suffers from urinary stones they will need to be removed, either surgically or by dissolving them with a specific diet. Pro Plan Canine UR Urinary helps your dog to produce an acidic urine which can dissolve the stone. The tasty dry dog food has a low magnesium content and contains only restricted levels of top quality protein. This helps to stop bacterial infections from developing. Omega 3 fatty acids and antioxidants encourage a healthy urinary tract. Indications: Struvite stones combined with urinary tract infections Sterile struvite stones Contraindications: Not suitable for dogs requiring a urine acidifier Not suitable for growing or pregnant dogs Purina Pro Plan Veterinary Diets Canine UR Urinary: Dietetic dry food for adult dogs Combats urinary stones: controlled pH value to promote acidity in urine, reducing build up of struvite stones Adapted protein and magnesium content: adapted to the needs of dogs prone to urinary stones Moderate calorie content: supports weight management Delicious recipe: well accepted and digestible Suitable as a complete food for long-term feeding Dog food which causes to urine to become more acidic may help to reduce the formation of struvite crystals and stones. Since not all lower urinary tract illness are associated struvite crystals it is important that your pet is diagnosed as suffering from struvite crystals before you feed your dog this dietary pet food. Please consult your vet about possible treatments for your pet or if you need further information. Please note: This product is not available for delivery to Northern Ireland or the Channel Islands.