Hill's Prescription Diet provides a wide range of clinically proven nutritional solutions which support your pet's specific dietary needs. Hill's Prescription Diet Feline c/d Multicare Urinary Care with Chicken helps to keep the urinary tract healthy & lessens the risk of struvite stones. Many cats suffer from FLUTD (Feline Lower Urinary Tract Disease), a complex, painful disease of the lower urinary tract, frequently associated with the formation of crystals which can lead to bladder stones. The two most frequent types of crystal which form in the urinary tract are struvite & calcium phosphate. Hill's Prescription Diet Feline c/d Multicare Urinary Care with Chicken helps to reduce both of these types of urinary stones. Struvite crystals & stones tend to develop because of too much magnesium, ammonium & phosphorus in the urine & an alkaline urine p H. Hill's Prescription Diet Feline c/d Multicare Urinary Care with Chicken at a glance Low in salt for healthier kidneys Can help to prevent struvite, oxalate stones, plugs, FIC which can cause FLUTD Helps to dissolve sterile struvite stones & reduces the risk of recurrence Can be used long-term Important information Not suitable for kittens which are still growing Not suitable for pregnant or lactating cats Do not use together with products which make the urine more acid