Purina Pro Plan Veterinary Diets UR Urinary Ox/St Dry Dog Food

By Purina Pro Plan Veterinary Diets
Rated 4.5785 out of 5 stars
Veterinary Diet Item


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$99.99Chewy Price
$94.99Autoship Price
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This item requires vet authorization.

Frequently Bought Together

Hill's Prescription Diet Soft Baked Soft & Chewy Dog Treats, 12-oz bag
Rated 4.109 out of 5 stars
$12.99Chewy Price

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Total Price: $161.97

About This Item


  • Great-tasting dry dog food for urinary health.
  • Crafted in collaboration with nutritionists, researchers and veterinarians.
  • Specially formulated to help reduce the risk of urinary stone formation in dogs.
  • Features high-quality ingredients and healthy antioxidants for a delicious therapeutic diet.
  • Developed to help dissolve existing sterile struvite stones while preventing both new stones and calcium oxalate crystals from forming in the future.

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Nutritional Information

Feeding Instructions


Play Video: Learn More About Purina Pro Plan Veterinary Diets From Our Team of Experts
Learn More About Purina Pro Plan Veterinary Diets From Our Team of Experts

Advanced Urinary Support

Purina Pro Plan Veterinary Diets UR Urinary Ox/St canine formulas are made with high-quality ingredients, and formulated to help reduce the risk of urinary stone formation in dogs. Each formula also contains antioxidants.

Great Taste

Every product is made not just with the specific nutrition he needs, but with great taste to help ensure adequate nutrient intake.

Made by Experts

The science behind this nutrition represents a collaboration among a network of scientists, including veterinarians and nutritionists.

Exceptional Quality

In a typical production day, Purina conducts 100,000+ quality checks involving ingredient & packaging, receiving, processing and packing.

Responsible Sourcing

Each ingredient can be traced back to its trusted supplier. Theyre not just monitored at factoriesquality is evaluated from the source

About Purina Pro Plan Veterinary Diets

Purina Pro Plan Veterinary Diets is committed to the health of every pet, especially those with unique nutritional needs. Established through decades of research and supported by a global network of scientists, each recipe is formulated to deliver advanced nutrition for your pet. For innovative therapeutic products trusted by pet owners and veterinary professionals alike, you can always count on Purina Pro Plan.

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Top IngredientsWhole Grain Corn, Brewers Rice, Chicken By-Product Meal...Whole Grain Corn, Brewers Rice, Dried Egg Product...Whole Grain Corn, Corn Gluten Meal, Soybean Hulls...Brewers Rice, Trout, Salmon Meal...Corn Starch, Hydrolyzed Soy Protein Isolate, Coconut Oil...
Breed SizeExtra Small Breeds, Small Breeds, Medium Breeds...Extra Small Breeds, Small Breeds, Medium Breeds...Extra Small Breeds, Small Breeds, Medium Breeds...Extra Small Breeds, Small Breeds, Medium Breeds...Extra Small Breeds, Small Breeds, Medium Breeds...
Special DietVeterinary Diet, Pea-Free, With GrainLow-Protein, Veterinary Diet, Pea-Free, With GrainHigh-Protein, Veterinary Diet, Weight Control, With GrainVeterinary Diet, Pea-Free, With GrainSensitive Digestion, Vegetarian, Veterinary Diet...
Food FlavorPoultry, ChickenPoultry, ChickenPoultry, ChickenSeafood & FishFruits & Vegetables
Health FeatureUrinary Tract HealthKidney CareWeight ManagementHip & Joint SupportDigestive Health, Skin & Coat Health
Food FormDry FoodDry FoodDry FoodDry FoodDry Food

Questions & Answers

17 Customer Questions

Does this help in prevention of UTI's as well?
Answer by ChewyJul 22, 2020
This formula is specially formulated to help reduce the risk of urinary stone formation in dogs.

Where is Purina dog food made
Answer by ChewyJul 18, 2021
This food is made in the United States.

About how many cups are in each size is bag?
Answer by ChewyJan 26, 2018
There are approximately 4 cups per pound of food. The 6 pound bag will contain close to 24 cups, the 16.5 pound bag close to 66 cups and the 25 pound bag close to 100 cups.

Is this also for senior dogs?
Answer by ChewyMay 25, 2020
Animal feeding tests using AAFCO procedures substantiate that Purina Pro Plan Veterinary Diets UR Urinary Ox/St Canine Formula provides complete and balanced nutrition for maintenance of adult dogs.

ReviewsWrite a Review

Rated 4.5785 out of 5 stars
261 Ratings
Would recommend to a friend

260 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.
Rated 4 out of 5 stars
By bond007 on Sep 15, 2023

Not bad

My dog had bladder stones and had to have surgery to remove them. Her first bag was Royal Canin, then we switched to this simply for it's cheaper. The food doesn't smell pleasant, but she has no problem eating it! We add about a half cup of water to her serving. We add water to all our dogs dry kibble for the lack of moisture. So far, it has been working. This is her 4th bag.

Rated 2 out of 5 stars
By Jack on Aug 24, 2023

Dog struggles with prescription diet

My dog, Leceigh, recently had bladder surgery in which several stones were removed. The vet says she has to be on a urinary tract specific prescription diet the rest of her life. It has been a daily struggle to get her to consistently eat this food. She simple doesn't like it. I feed her in the morning but I'm still struggling with her to eat it by 8 or 9 at night. What will I do when I have to go away and she is with the dog sitter?

Rated 5 out of 5 stars
By sam on Aug 30, 2023

fast service

I bought this food for my female dog that gets urinary tract infections (on the advice of a vet) a couple of times a year. She's only been on it a couple of weeks but seems to like it. The kernels are bigger than what she is used to so I water it down a bit to soften it. It remains to be seen how it will help but I do give Chewy 5 stars always for fast service.

Rated 5 out of 5 stars
By DebM on Sep 20, 2023


Chewy beats my auto ship with Purina Direct. My order was late, so I placed this order with Chewy and received it the next day. My dog likes the taste of this prescription food but I will only buy with Chewy.

Rated 4 out of 5 stars
By Jen on Sep 13, 2023

My Dog LOVES this food!

I bought the wet food and mix the two, and my dog can't get enough! She is pretty picky, so it's a win for us! Not sure it's done anything for the crystals yet, but I'm hopeful!

Rated 4 out of 5 stars
By Missy on Aug 17, 2023

Average Prescription Diet

Decent reviews, quick shipping but my dog hasn't really taken to the transition. Hopefully in time she will eat it with no problems or additives. I haven't had her on it long enough to tell if it's working.

Rated 5 out of 5 stars
By Barb on Jun 10, 2023

Great customer service

I am a brand-new chewy customer. Our little 2 1/2-year-old dog has already had bladder stone surgery and requires special food. It's too soon to tell how his new food will work but I can't say enough about the wonderful customer service. I had several questions which were answered kindly and without feeling rushed. Our pup also received a get-well card and a darling toy, which he loves. Thank you Chewy.

Rated 5 out of 5 stars
By Cocomom on Jul 31, 2023

Coco Loves It!

Coco is enjoying the taste of the Pro Plan Veterinary Diet - UR. She turned her nose up at the first one (different brand) I bought but she can't wait to eat this one. Thanks!

Rated 5 out of 5 stars
By Baxter on Aug 22, 2023

This dog that I have on it isn't as picky of an eater as Barkley was. Barkley didn't like it. Bella, she gobbles it down.

Rated 5 out of 5 stars
By cabbage on Jun 7, 2023

Wow love it

When our dog got diagnosed with kidney crystals, our vet suggested trying and rx diet. Our vet does not push any specific brand, but recommended some names. so we got home and researched. Unfortunately, of the four or five brands readily available to us, all are formulated using chicken. We had spent the previous months eliminating chicken from the diet of our dog, finally settling for Pro Plan Sensitive Stomach Salmon and Rice kibble. Our dog did wonderfully on that food. No more digestive issues and perfect poops every time. You can imagine my distress at the prospect of having to feed chicken again. We first tried Royal Canin Urinary SO, which definitely helped dissolve the crystals. Hurray. Unfortunately, the bad poops were back. Sad face. Probiotics, pumpkin, supplements. None of that worked. Thankfully I decided to give this food a try. It’s night and day now for our dog. Still not as perfect as the salmon food, but very close. I never thought I’d care this much about poop, yet here I am. I don’t know what the difference is in the way this is formulated or the chicken is processed, but I did find this food was more dry, less oily than the royal canin. So maybe it’s something related to that. If you are suspicious your dog is sensitive to chicken and you find yourself having to make the same health choices I made, give this a try.