Hill's Prescription Diet d/d Skin/Food Sensitivities Potato & Venison Dry Dog Food, 25-lb bag

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About This Item

Details

  • Highly digestible single intact animal protein source and single carbohydrate source to help avoid common food sensitivities in a gluten-free formula
  • High levels of omega-6 and omega-3 fatty acids that help nourish the skin and coat
  • Combination of clinically proven antioxidants helps maintain a healthy immune system and skin barrier function
  • Four different novel protein sources to provide more choices in managing food sensitivity
  • Helps improve digestion and stool quality with visible improvements in the skin and coat

Ingredient Information

Feeding Instructions

FAQ

Learn More About Hill's Prescription Diet From Our Team of Experts

About Hill's Prescription Diet Foods for Skin / Food Sensitivities

Improving Lives Together

Groundbreaking Nutrition for Sensitive Dogs

Dogs with skin and coat conditions or food sensitivities can benefit from Hill's Prescription Diet z/d and d/d foods. Prescription Diet d/d has limited ingredient nutrition and a single intact animal protein. The Prescription Diet z/d food features a highly hydrolyzed protein and a single carbohydrate source to minimize the risk of allergic reactions. Many pet parents discover that simply eating the right food helps eliminate food-related causes of skin irritation and helps avoid reactions to food.

Clinical Nutrition

With Hill's, it's not just high-quality ingredients that count. Their focus is on the proper balance of nutrients in every recipe. So Hill's has developed foods that are designed to help pets with specific health conditions, providing the right nutrients to support their health. Hill's alliance with veterinarians puts them in a unique position find a nutrition recommendation for your pet no matter what health issue your pet is facing.

Formulated by Veterinarians

Hill's Prescription Diet started with a veterinarian's belief that some health issues could be managed through nutrition. What began as a theory has now been proven through extensive research by a team of over 220 vets, PhD nutritionists and food scientists. The results can be seen in Hill's Prescription Diet therapeutic pet foods.

Meeting the Highest Standards

Providing a food that delivers exactly what it says it does is Hill's number one priority, in fact, they perform over five million safety and quality checks every year. They've established relationships with trusted suppliers and will only accept ingredients that meet stringent standards.

The Taste Factor

You might know that Hill's Prescription Diet is good for your pet, but she's only concerned with the taste. Even though they place a heavy emphasis on nutrition, Hill's hasn't forgotten about palatability. Savory ingredients are combined to produce foods with enticing aromas, textures, and shapes that your pet can't resist.

Find the Right Formula

Talk to your veterinarian about the right formula for your pet.

z/d Skin/Food Sensitivities

Original

Key Nutrients

  • Highly hydrolyzed animal protein
  • Single purified carbohydrate source
  • High levels of vitamin E
  • Natural fiber
  • Essential fatty acid enriched
  • Clinically proven antioxidants

Health Benefits

  • Visible skin and coat improvement in 30 days
  • Promotes healthy skin barrier
  • Helps support a healthy immune system
  • Clinically proven to help normalize stool

d/d Skin/Food Sensitivities

Potato & Venison

Potato & Duck

Potato & Salmon

Key Nutrients

  • Limited ingredient nutrition with single intact animal protein
  • No soy protein or gluten
  • High levels of omega-3 and 6
  • Clinically proven antioxidants

Health Benefits

  • Results you can see in the skin and coat
  • Helps maintain a healthy skin barrier
  • Helps improve digestion and stool quality
  • Supports a healthy immune system

Derm Defense

Chicken

Key Nutrients

  • With proprietary complex of bioactives and phytonutrients
  • High levels of omega-3 and 6 fatty acids
  • Clinically proven antioxidants, including vitamin E
  • No corn, chicken or by-product meal, artificial colors, flavors or preservatives

Health Benefits

  • Helps strengthen skin barrier
  • Drives healthy skin from within
  • Formulated to help soothe and nourish skin and coat
  • Helps skin to recover naturally
  • Holistic long-term solution supporting healthy immune system

About Hill's Prescription Diet

Hill's mission is to help enrich and lengthen the special relationships between people and their pet. Their Prescription Diet product line delivers clinically proven nutrition that supports common pet health concerns, from digestive and urinary health to aging and weight management.

Shop Hill's Prescription Diet

Questions & Answers

15 Customer Questions


How many cups are in the 25 pound bag?

Answer by LauraSep 01, 2022
I haven't measured it, but there are usually about 4 cups per pound

does this kibble cause my dog to drink more?

Answer by ChewyApr 07, 2018
It is not reported to cause excessive thirst. We do suggest talking to your vet if this is something occurring with your pet.

Is dd prescription dog food ok for dogs that tend to have bladder stones

Answer by ChewyJan 11, 2020
This Prescription Diet d/d recipe is not intended to help with bladder stones. The Prescription Diet c/d or k/d recipe would be a great alternative. We highly recommend consulting with your veterinarian to ensure which recipe is best for your pet.

Is there any Pork in this dog food, my westie cannot have pork

Answer by ChewyOct 20, 2020
This variety does contain Pork Fat and Pork Flavor however, it does not contain pork protein. For a complete list of ingredients and the guaranteed analysis, click the “Nutritional Info” tab on the product page.

4.6
Rated 4.6 out of 5 stars
799 Ratings

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Ease of Use

86% Positive

Effectiveness

87% Positive

Ingredients

87% Positive

Long-Term Benefits

91% Positive

417 Customer Reviews



Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 5 out of 5 stars
By Donna on Dec 23, 2025

Customer service on phone

Somehow a Large bag of dog dood went missing from Delivery and no questions asked - chewy sent another bag. THe agent was suoer nice and affective - also you answered

Somehow a Large bag of dog dood went missing from Delivery and no questions asked - chewy sent another bag. THe agent was suoer nice and affective - also you answered phone right away u like every one else these days. MY dog had pancreatitis and this script very important. Also any chance you will some day carry kangaroo?


Rated 5 out of 5 stars
By Amanda on Dec 1, 2025

Works well

My boy has IBD and I was distressed when I phoned Hills and they said the canned version wouldn’t be available until at least December. He’s never done well on kibble

My boy has IBD and I was distressed when I phoned Hills and they said the canned version wouldn’t be available until at least December. He’s never done well on kibble before either soaked or ground, so I was very worried, as the canned version was the best he’d ever had. Imagine my surprise when I found out he’s fine on this kibble!


Rated 5 out of 5 stars
By Cheyenne on Dec 16, 2025

The kibble was more crunchy and full.

My dog has allergies to almost everything. The vet offered for us to try this flavor because Blossom was beginning to lose interest the the Hills Science Diet derm

My dog has allergies to almost everything. The vet offered for us to try this flavor because Blossom was beginning to lose interest the the Hills Science Diet derm complete eggs and rice. She has taken to this flavor with little issue and seems to enjoy the change.


Rated 5 out of 5 stars
By kristi on Jan 12, 2026

Scout Approved

Scout loves it so much that he will actually eat it without any wet food mixed in sometimes. He is extremely picky and has a variety of health issues but this food

Scout loves it so much that he will actually eat it without any wet food mixed in sometimes. He is extremely picky and has a variety of health issues but this food is his favorite as well as the canned.


Rated 5 out of 5 stars
By Jamielee on Dec 7, 2025

Helps with allergies

We have a pug and yorkie. Our pug has environmental allergies and food allergies. This food made a difference within 3-5 days. His hair and skin is noticeably softer

We have a pug and yorkie. Our pug has environmental allergies and food allergies. This food made a difference within 3-5 days. His hair and skin is noticeably softer and his itching went down a ton. This food is a little bigger than the little bites, but I have put a little warm water in it and it’s been fine for both to eat.


Rated 5 out of 5 stars
By ave on Oct 1, 2025

Cured my frenchies stomach issues

My Frenchie has had chronic colitis and allergies to every food we have tried(there were A LOT). He had constant diarrhea and bloating for the first year of his

My Frenchie has had chronic colitis and allergies to every food we have tried(there were A LOT). He had constant diarrhea and bloating for the first year of his life. After switching to this food over about a week and getting him on apoquel his issues have disappeared! He’s much happier, not bloated, and actually has interest in eating his food, I can’t recommend it enough!


Rated 1 out of 5 stars
By Kady on Dec 30, 2025

No box

Food is good for my dog. But came in no box and damaged. This is 150 dollar dog food. I would expect more.

Food is good for my dog. But came in no box and damaged. This is 150 dollar dog food. I would expect more.


Rated 5 out of 5 stars
By Krista on Dec 21, 2025

Allergy issues are gone!

After years of frustration, our Aussie finally has no more head shaking and is no longer as hot as a furnace.

After years of frustration, our Aussie finally has no more head shaking and is no longer as hot as a furnace.


Rated 5 out of 5 stars
By Anne on Dec 29, 2025

He’s sensitive.

Archie has had all kinds of skin issues. And this food is part of our plan.

Archie has had all kinds of skin issues. And this food is part of our plan.


Rated 5 out of 5 stars
By James on Dec 19, 2025

All works out

Had a couple hoops to jump but not bad. I had to chase down 2 Rx’s but we got’r done

Had a couple hoops to jump but not bad. I had to chase down 2 Rx’s but we got’r done