Hill's Prescription Diet z/d Original Skin/Food Sensitivities Dry Dog Food

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25-lb bag
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Food sensitivities and intolerance are potentially serious problems that can result in sensitive or irritated skin, coat and ear conditions or even gastrointestinal upset. Dogs that have a food sensitivities or intolerance, also called adverse reactions to food, typically experience an abnormal response to the protein in the food. If your dog suffers from adverse reaction to food, it is even more important to feed the right food. Hill's nutritionists and veterinarians developed Prescription Diet z/d clinical nutrition especially formulated to support your dog's skin and food sensitivities. In fact, z/d is clinically proven nutrition to help avoid adverse reactions to food.

Key Benefits

  • Helps improve digestion and stool quality with highly hydrolyzed protein
  • Helps eliminate food related causes of skin irritation and results in visible improvement to the skin and coat
  • Helps maintain a healthy skin barrier and enriched with essential fatty acid
  • Developed with a single carbohydrate source: Corn Starch
  • Clinically proven antioxidants are added for optimal health benefits

Special Note

Hill's is going through a packaging and formulation change. Customers may receive the old packaging and formulation during this transition.

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
    25.0 pounds
  • Brand
  • Breed Size
    Small, Medium, Large, All Breeds
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food

Nutritional Info


  1. Corn Starch, Hydrolyzed Chicken Liver, Powdered Cellulose, Soybean Oil, Calcium Carbonate, Dicalcium Phosphate, Lactic Acid, Potassium Chloride, Glyceryl Monostearate, Choline Chloride, Iodized Salt, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement), DL-Methionine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene.

Caloric Content

  1. 354 kcal/cup
Guaranteed Analysis
Crude Protein 14.0% min
Crude Fat 10.0% min
Crude Fiber 5.0% max
Omega 3 Fatty Acids 0.3% min
Omega 6 Fatty Acids 3.0% min

Feeding Instructions

Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian. For best results & safety practices: Use only as directed by your veterinarian. Gradually transition to your pets new food over a 7 day period. Exclusively feed the recommended Prescription Diet dry food, canned food & treats. 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 4.7 out of 5 by 283 reviewers.
Rated 5 out of 5 by z/d has really helped my terrier mix My terrier mix used to have severe allergy problems during her first year of life, which caused unstoppable scratching and skin problems. We were forced to give her steroids shots a few times, which is not good for their overall health. She was constantly taking Benadryl, poor angel. As she grew out of 'puppyhood', the vet suggested we tried changing her diet to z/d to see if her condition would improve. Her condition improved significantly and fairly quickly. She has been on this food for about 3 years now. She still has some environmental allergies, mostly in the spring, but the worse has definitely passed. About a year ago we got a new pup who didn't have the same allergies problems has her, but he refused to eat his regular food and always always preferred hers so... both of them are on this z/d food now. January 6, 2017
Rated 5 out of 5 by Just what the doctor ordered I recommend this product for dogs with digestive issues. January 12, 2017
Rated 5 out of 5 by Excellent This product has been really good for my Great Dane. She was on ground beef and rice for a couple of years. I had tried several different foods with no success. Now she eats canned z/d and dry z/d and doesn't have as many sick days. January 9, 2017
Rated 5 out of 5 by Protein supplement My Chessie and Brittany enjoy z/d it was for the Chessie's allergy but the Brittany steals it. January 9, 2017
Rated 5 out of 5 by Helped immediately with our dogs has issues. So far so good. He seems to like the flavor and his gas issues have gone away. As for stool consistency, is looks better as well. January 5, 2017
Rated 5 out of 5 by Have dogs that need prescription diet The service was exceptional and was very happy with customer service and the quickness of receiving the product. January 4, 2017
Rated 5 out of 5 by Dogs eat it without problem Was worried about the price and if the dogs would like it. Both of them took to it right away and with no problem in gradual changing over of their foods. January 1, 2017
Rated 5 out of 5 by Excellent Love Chewy.com. We order wet and dry for our dog. She has allergies. So easy with Chewy.com. Absolutely love it! December 31, 2016
  • 2017-01-17 T06:27:40.783-06:00
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