Hill's Prescription Diet s/d Urinary Care Chicken Flavor Dry Cat Food, 4-lb bag

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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. Hill's nutritionists and veterinarians developed Prescription Diet s/d clinical nutrition to support your cat's urinary health. In fact, s/d is clinically tested to dissolve struvite stones in as little as 6 days.

Key Benefits

  • Reduces the risk of struvite stone formation
  • Supports a healthy immune system
  • Promotes desirable urine pH levels
  • Low magnesium & phosphorus levels
  • Enriched with antioxidants
  • Made in the USA

Special Note

Hill's Prescription Diets require a veterinary prescription. This product will not be shipped until a copy of a valid prescription authorization is faxed to 1-800-619-7973 or e-mailed to rx@chewy.com.

See all items by Hill's Prescription Diet

  • Item Number
  • Weight
    4.0 pounds
  • Brand
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food

Nutritional Info


  1. Brewers Rice, Chicken By-Product Meal, Pork Fat, Corn Gluten Meal, Dried Egg Product, Calcium Sulfate, Lactic Acid, Chicken Liver Flavor, Potassium Chloride, Choline Chloride, Dl-Methionine, Iodized Salt, Vitamins (Vitamin E Supplement, Niacin Supplement, Thiamine Mononitrate, Pyridoxine Hydrochloride, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Vitamin A Supplement, Folic Acid, Vitamin D3 Supplement), Taurine, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Mixed Tocopherols for Freshness, Beta-Carotene, Natural Flavors.

Caloric Content

  1. 523 kcal/cup
Guaranteed Analysis
Crude Protein 30.0% min
Crude Fat 23.0% min
Crude Fiber 1.0% max
Calcium 0.65% min
Calcium 1.3% max
Phosphorus 0.5% min
Phosphorus 0.9% max
Magnesium 0.08% max
Taurine 0.1% min
Vitamin E 550 IU/kg min

Feeding Instructions

Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian. For best results & safety practices: Gradually transition to your pets new food over a 7 day period. Exclusively feed the recommended Prescription Diet dry food & canned food. Keep fresh water available at all times. Have your veterinarian monitor your pets condition.

Transition Instructions

A gradual transition to a new pet food is important to avoid digestive upset. To transition, mix your pet’s current food with the new food. Over 7 days, gradually decrease the amount of the current pet food while increasing the amount of new pet food. In some cases, your veterinarian may recommend no transition or a shorter transition time.

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Customer Reviews

Rated 4.5 out of 5 by 24 reviewers.
Rated 5 out of 5 by Great results! My cat has had no more unitary infections since I put him on this food! We were going to the vet about once a month due to an UTI. October 30, 2016
Rated 5 out of 5 by This product worked in eliminating bladder stones for my cat. A month before moving, our cat was diagnosed with having bladder stones. Our vet put her on this diet. Unfortunately, we ran out and moved to a different state and had not found a vet yet. Upon placing the order, Chewy contacted our vet for prescription verification and we received the special food in no time at all. August 18, 2016
Rated 5 out of 5 by My cat loves this food Finicky cat loves this food. Eats it better than anything else July 15, 2016
Rated 4 out of 5 by Helps with Struvite Our cat MooCow had a bad UTI and crystals in October '15. Vet put him on the c/d formula and 3 months later he was back. So we are trying to the s/d formula. He however will only give wet food a couple of licks so we have to rely the most on the dry food. Luckily Moo LOVES these kibbles. He has a special bowl on his window perch to try and cut down the other cats from eating it. I do wish it came in a bigger bag to get a little discount. He only gets about 3/4 a cup a day and it has really increased his water intake. In a couple more months we are taking him in for his yearly and hopefully we can consider transitioning him back down to a less expensive food. April 26, 2016
Rated 4 out of 5 by Great for fur & gums! Dissolves crystals in urinary tract. I have used this before and then used the c/d. I have 2 cats so they both get the same food. Luke has a very small urinary tract and had a 2nd episode recently while on the c/d (required catheter & 4 day stay in Westbay Animal Hospital. Vet said to give them half c/d & half s/d for the rest of their lives! I am withholding an excellent review for awhile to see how Luke does on this diet. Dusty has never had a problem. This food is great for their coats. They seem softer & shinier and it apparently clears up possible gum & teeth infections. They also don't need as much. They eat about 3/4 cup a day. My question is why is the s/d only available in the 4lb bag. The c/d is available in the 17.6lb bag & is about $1.20/lb cheaper in the bigger bag! January 4, 2016
Rated 4 out of 5 by Great My cat was put on s/d he had crystals,and urine problems, he loves it, but now they switched him to c/d he will not eat it at all, I tried giving him half of each he will not eat the c/d.. I think I'm going to have to keep him on s/d.. my vet said you can keep him on s/d but I said no I'll try the other one... but nope Kitty's not having it.. March 30, 2016
Rated 4 out of 5 by Good Product If we didn't have multiple cats, this would be much better. But when I do get the cat with the issue to eat it, he seems to like it. Better than the wet food. April 1, 2016
Rated 4 out of 5 by A crunchy treat So good to know there's a dry cat food that we can feed our cats with urinary and bladder problems and not make the condition worse. We're using the C/D canned food for regular meals and the C/D dry for treats. Works great and our tuxedo male is feeling a whole lot better. March 3, 2016
  • 2016-10-31 T07:01:03.720-05:00
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