adventures made possible


Onc Care dog and cat food

Powerful nutrition designed for pets with serious illness.

Prescription Diet ONC Care is powerful nutrition designed for pets with serious illness, such as cancer and the adventures that still await.

Ask your veterinarian about Hill’s Prescription Diet ONC Care

With taste beyond belief, for adventures beyond imagination.

Clinical nutrition designed to nourish and support pets with serious illness

Dog and food bowl

Encourages an enthusiastic appetite & food intake

with tasty ingredients & easy-to-chew kibble

Cat profile

Helps maintain muscle

with highly digestible proteins & fats, and rich in calories


Supports healthy digestion

with ActivBiome+ digestive support

Hear Arlo and Ginger’s story

Caring for your pet

Articles and Tools

Discover more tips and resources that can help you care for your pet with cancer.

  • All About Cancer in Dogs

    Man With Dog Cancer affects one out of three dogs in a variety of ways. Learn about the types of dog cancers, warning signs to look for, and treatments that can help.
  • Secondhand Smoke and Pets: What You Need to Know

    dog sitting on hill Learn how secondhand smoke affects your pets, including signs that smoking is affecting them, and why smoking around animals is dangerous to their health.
  • Cancer

    180680638 Find out what causes cancer in dogs and the treatment options you have if your dog is diagnosed. Discover your options here.
  • All About Cancer in Cats

    Learn about the different types of cancer in cats, how to spot the signs of cancers in your kitty, and treatment options for improving her quality of life.
Veterinarian with cat

Questions to ask your veterinarian

When your dog or cat is diagnosed with cancer, you’re going to have questions. Here are some useful questions to ask during your next vet visit: 

  • What treatments are available?
  • What is the prognosis with each treatment?
  • What are the side effects of each treatment? 
  • How will these treatments affect my pet’s quality of life?
  • ​​What can I feed my pet to provide the best nutritional support possible?


Dog food being measured

Changing lives through food

Being in the pet food industry since 1939, we understand the value of planning for long-term sustainability.

Our Nutritional Philosophy

Vet tech in grass with dog

Committed to good

Every part of our manufacturing process is designed to meet ethical, sustainable and responsible standards.

Our Company Values

Veterinarian with dog food

A product you can trust

Learn how we ensure your pet’s food meets the highest benchmarks for nutrition, safety and taste.

About Our Quality & Safety