PURINA VETERINARY DIETS UR St/ Ox is an appetizing & nutritionally complete clinical diet for cats, expertly formulated to treat common Feline Lower Urinary Tract Diseases (FLUTD). Feline UR is carefully designed to encourage a more acidic urine, helping not only to dissolve struvite & oxalate kidney stones, but to also prevent them from reoccurring. Both the wet & dry formulas are designed to stimulate your cat into drinking more fluids, helping to further dilute the concentration of minerals & irritants in their urine. & because cats with FLUTD can feel especially delicate & may lose their appetite, Feline UR is specially tailored to be mouth wateringly delicious, ensuring the cooperation of your furry patient. Please note, PURINA VETERINARY DIETS UR St/ Ox is not suitable for pregnant mums, growing kittens, cats suffering from chronic renal failure, or cats with fluids retention such as ascites & oedema. Ingredients (dry formula): Maize gluten meal, rice flour, wheat flour, dehydrated poultry protein, maize meal, animal fat, minerals, dried egg, dehydrated sugar beet pulp, digest, yeast, fish oil.