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

  • Clinically tested to dissolve struvite stones in as little as 6 days
  • Reduces the risk of struvite stone formation and promotes desirable urine pH levels
  • This nutritionally complete and balanced diet supports a healthy immune system
  • Low magnesium & phosphorus levels to help minimize the buildup of minerals and crystals
  • Added antioxidant nutrients like Vitamins E control cell oxidation and promote a healthy immune system

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
  • Brand
    Hill's, Science Diet
  • 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

Hill's Prescription Diet s/d Urinary Care Chicken Flavor Dry Cat Food is rated 4.6 out of 5 by 32.
Rated 2 out of 5 by from Nothing Against the Product - Gave My Cat Diarrhea I don't think the product was bad. My 16 year old tabby seems to have developed resistance to hard cat food over the years. I've had him on Royal Canine's Urinary S/O feline soft and hard for years with no problem. About 3 years ago, he started getting diarrhea with the RC hard so I stopped. I'd tried several other feline urinary prescription hairball/gastrointestinal foods. All of which had the save affect. Every so often, I'd try to reintroduce hard food into his diet for variety. Unfortunately, his system just doesn't respond well. He has a host of urinary and digestive issues...among other things. I'll just stick with the Royal Canine Urinary S/O feline canned. He loves it, and has been on it since I discovered his chronic urinary problems 15 years ago. I guess there's some truth to the old saying, "if it ain't broke, don't try to fix it." Chewy was awesome. They credited my account for the unused bag without having to ship it back....which is always a hassle. I'll donate to my local vet. Thanks Chewy! You're the best!
Date published: 2016-12-10
Rated 5 out of 5 by from Hills S/D My cat loves this food and it has eliminated the issue he had with crystal/blockage in his urinary tract. I highly recommend it and Chewy.com!!
Date published: 2017-02-15
Rated 5 out of 5 by from Moonie the cat approves!! My cat Moonie has to eat s/d urinary care canned and dry food. He loves the dry food and the chicken canned food.
Date published: 2017-02-05
Rated 5 out of 5 by from Excellent quality My 10 yr old cat was recently diagnosed with a golf ball sized struvite bladder stone. She was put on this food and I was skeptical since she is a finicky eater. She right away seemed to like the taste of the food. Within one week she is pain free and it looks like surgery won't be necessary!
Date published: 2017-01-03
Rated 5 out of 5 by from This product is great I was concerned my cat wouldn't like Hills Prescription Diet s/d Urinary Care Chicken Flavor Dry Cat Food. The change from her regular food was a breeze and she is definitely feeling better... so am I!
Date published: 2017-03-10
Rated 5 out of 5 by from Great! my cat is not excited about this food but will eat it. He really needs it for his stones so I'll mix it with wet to entice him.
Date published: 2017-03-06
Rated 5 out of 5 by from Hill's diet food old cat loves it, prices are good and shipping is fast. We will be back!!
Date published: 2016-11-17
Rated 4 out of 5 by from 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!
Date published: 2016-01-04
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