Hill's Prescription Diet z/d Skin/Food Sensitivities Wet Dog Food
- Veterinary Diet
- More reviewed than 56%
A hydrolyzed protein canned diet meant to be fed under veterinary direction for dogs with diagnosed food sensitivities, not a general-purpose wet food.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 50 veterinary diets we track
4.2★ across 395 Amazon ratings, Bayesian-smoothed toward the category average.
395 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
100+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 50 veterinary diets we track - how the scorecard works · full veterinary diets data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Hill's Prescription Diet z/d is a hydrolyzed chicken wet dog food formulated for skin and food sensitivities, sold here in 5.5 oz cans, 24 to a case, model 5403.
As a prescription veterinary diet, z/d is meant to be used under a vet's direction for dogs diagnosed with food sensitivities rather than fed as a general everyday food.
- Hydrolyzed chicken protein formula
- 5.5 oz cans, 24 per case
- Veterinary prescription diet
- Model 5403
Who it's for
Dogs already diagnosed by a veterinarian with a food sensitivity or diet-related skin issue. It is not intended for healthy dogs without a diagnosed condition.
Strengths and trade-offs
Drawn from this product's published specifications.
- Hydrolyzed chicken protein formula
- Wet canned format
- 24 cans per case
- Prescription diet, needs veterinary sign-off
- 5.5 oz cans mean more cans per feeding for larger dogs
- Listing carries limited spec detail beyond the title
Performance notes
The chicken protein in this formula is hydrolyzed, broken into smaller fragments intended to reduce the reaction some dogs have to intact food proteins, delivered here in a wet canned format across 24 cans of 5.5 oz each.
Specifications
| Brand | Hill's |
|---|---|
| Model | 5403 |
Other Hill's veterinary diets
How it compares
This product against the closest alternatives we track in veterinary diets.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Hill's Prescription Diet z/d Skin/Food Sensitivities Wet Dog FoodThis product | 4.2 / 5 | 395 | 2.7 / 5 |
| Pro Plan Veterinary Diets Purina UR Urinary Ox/St Canine Formula Dog Food Dry KibblePro Plan Veterinary Diets | 4.6 / 5 | 453 | 4.1 / 5 |
| Royal Canin Veterinary Diet Canine Hepatic Adult Dry Dog FoodROYAL | 4.7 / 5 | 538 | 4.1 / 5 |
| Purina Pro Plan Veterinary Diets HA Hydrolyzed Protein Dog Food Dry Vegetarian FormulaPurina | 4.4 / 5 | 221 | 4.0 / 5 |
| Blue Buffalo Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog FoodBlue | 4.6 / 5 | 179 | 3.9 / 5 |
Similar veterinary diets from other brands
Questions about the Hill's 5403
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does Hill's z/d model 5403 require a vet's prescription?
Yes, it is a Prescription Diet product meant to be fed under veterinary direction.
What protein source is used?
Hydrolyzed chicken.
How many cans come in the case?
24 cans of 5.5 oz each.