Prescription & Veterinary Diets5 products
Vet-directed nutrition for specific canine health conditions.
Prescription dog food is a different category from regular commercial diets. These products are formulated to manage specific health conditions — kidney disease, urinary stones, food allergies, gastrointestinal issues, weight problems, joint mobility, dental health, and more — by manipulating nutrient ratios like protein, phosphorus, sodium, and fat in ways that standard 'adult' diets don't. They're intended to be fed on vet recommendation, because the same features that help a sick dog can harm a healthy one.
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Hill's Prescription Diet
Hills Prescription Diet Dog R/d Weight Loss Dry Food
$216.99
$258.00Save up to $41.01
$17.09/kg
Hill's Prescription Diet
Hills Prescription Diet Dog Z/d Skin/food Sensitivities Dry Food
$199.99
$248.99Save up to $49.00
$17.39/kg
Royal Canin Veterinary
Royal Canin Vet Diet Gastro Low Fat Small Breed Adult Dog Food
$90.00
Save up to $2.99
$26.57/kg
Royal Canin Veterinary
Royal Canin Veterinary Diet Mature Consult Senior Dog Food
$149.99
$150.00Save up to $0.01
$10.71/kg
Royal Canin Veterinary
Royal Canin Veterinary Diet Canine Gastro Intestinal High Fibre
$47.95
The Australian prescription diet market is dominated by Hill's Prescription Diet, Royal Canin Veterinary, Pro Plan Veterinary, and Virbac. Common ranges include renal diets with low phosphorus and moderated protein for kidney disease, urinary diets for struvite and calcium oxalate management, hydrolysed protein recipes like z/d and HP for food allergies, i/d and intestinal recipes for GI sensitivity, weight loss formulas, mobility support for joint disease, dental diets with larger fibre-matrix kibble, and hepatic (liver) diets. Each is formulated for a specific condition — feeding the wrong one to the wrong dog doesn't just fail to help, it can actively cause problems.
Prescription diets are usually bought after a vet diagnosis. In Australia they're sold through vet clinics, online pet pharmacies, and increasingly through general retailers — so comparing prices across stockists matters, especially for chronic conditions where the dog stays on the food for years. If your vet has recommended a specific diet, this page is about finding it at a fair price, not about self-diagnosing from a list of symptoms.
How to choose
If you're shopping this category, you most likely already know which diet your vet recommended — stick to that exact recipe. Switching between prescription ranges (even within the same condition) isn't straightforward because the formulations differ in specific ways that matter clinically. Check the exact name and letter code: Hill's uses letters like k/d (kidney), u/d (urinary), z/d (hydrolysed protein), r/d (weight), and i/d (intestinal) — a single letter change means a different product. Royal Canin Veterinary uses full names and numbers (Urinary S/O, Satiety, Hydrolyzed Protein, Gastrointestinal Low Fat). Match exactly. Dry and wet versions of the same diet are usually interchangeable, but some dogs do better on one format. Confirm the life stage and breed size match if your vet was specific. Finally, ask your vet before changing the diet — some conditions stabilise on a specific recipe and switching can trigger a relapse.
Key considerations
Vet diagnosis first
These diets target specific conditions. Never self-prescribe — the wrong diet in a healthy dog can cause harm over time.
Exact name matters
Hill's k/d and u/d are different recipes. A single letter change means a different formulation and clinical target.
Dry and wet interchange
Most prescription diets come in both formats. Choose based on your dog's preference and ease of feeding.
Long-term diets need pricing
Prescription food is often lifelong for chronic conditions. Comparing prices across stockists stretches the household budget.
Watch the treats
Off-diet treats and table scraps can undermine a prescription diet. Check with your vet about allowed extras.
Frequently asked
Can I buy prescription dog food without a prescription?+
In Australia, some retailers require vet authorisation to sell certain prescription diets, while others sell them without. Even where you can buy without one, using the wrong diet can harm a healthy dog — these products are formulated for specific conditions and shouldn't be used as general premium food for an uncomplicated dog.
Is prescription food worth the price?+
For a dog with a diagnosed condition that the diet targets, usually yes — well-formulated therapeutic nutrition can delay disease progression and reduce the need for medications. For a healthy dog, no — you're paying a premium for features that aren't relevant and may not suit that dog's needs.
Can I switch brands within the same condition?+
Talk to your vet first. Hill's k/d and Royal Canin Renal are both kidney diets but have different nutrient profiles — some dogs do better on one than the other, and switching can be clinically significant. Your vet can match the formulation to your dog's bloodwork and disease stage.
How long does my dog need to stay on a prescription diet?+
It depends on the condition. Some are lifelong (chronic kidney disease, hepatic issues, many food allergies). Others are temporary (post-surgery GI recovery, weight loss to a target). Your vet will tell you if and when you can transition back to a standard diet — never switch back without checking.
Can I feed prescription food to my other healthy dogs?+
Not as a main diet. Some prescription ranges can harm healthy dogs — low-protein renal diets, for example, are inadequate for a young active dog. In multi-dog households you'll need to feed separately or at least stop the healthy dogs finishing the sick dog's bowl.