Skip to content

For 24/7 Emergency Care, find your nearest Petfirst clinic here

Skip to product information

Royal Canin

Royal Canin Veterinary Urinary S/O Dog (Dry Food)

Regular price
Regular price
Sale price
$245.40 Save $-245.40 (%)
Tax included.
Select Title

Urinary S/O is formulated for the nutritional management of adult dogs with urinary stones (struvites) and to help prevent their recurrence. This is achieved through the diet's urine acidifying properties and its low magnesium levels.

Key Benefits:
DISSOLVES STRUVITE CRYSTALS - Effectively dissolves particular urinary stones called struvites.
LOW RSS - Helps lower the risk of crystal formation. Secondary Benefit Urine Dilution.
URINE DILUTION - Helps to prevent urinary crystals.
LOW MAGNESIUM - This diet is low in magnesium - a component of struvite urinary crystals.

ANALYTICAL CONSTITUENTS: Metabolisable energy 388kcal/100g, Protein 18%, Fat content 17%, Crude ash 6.6%, Crude fibres 2.2%, Salt 1.10%, Taurine 0.21%, Omeg-3 0.63%, Omega-6 3.59%, Iron 44mg/kg, Calcium 0.5%, Phosphorus 0.5%, Zinc 147mg/kg, Sodium 1.2%, Chloride 2.21%, Potassium 0.8%, Magnesium 0.05%, Sulphur 0.3%, Urine acidifying substances (calcium sulphate) 0.55%, Vitamin A 15500IU/kg, Vitamin D3 1000 IU/kg.

Recommended for: bacterial cystitis, dissolution of struvite uroliths, management of recurrent struvite and calcium oxalate urolithiasis.
Not recommneded for: pregnancy, lactation, growth, chronic renal failure, heart failure, hypertension, use of urine acidifying drugs, pancreatitis or a history of pancreatitis, hyperlipidaemia.

Consult with your veterinarian to make sure Prescription Diet is the right food for your pet.


Maize flour, rice, animal fats, dehydrated poultry protein, maize gluten, minerals, hydrolysed animal proteins, vegetable fibres, soya oil, fish oil, fructo-oligosaccharides, mono – and diglycerides of palmitic and stearic acids esterified with citric acid, marigold extract (source of lutein).
ADDITIVES (per kg): Vitamin A 11500 IU, Vitamin D3 1000 IU, E1 (Iron) 44 mg, E2 (Iodine) 4.4 mg, E4 (Copper) 13 mg, E5 (Manganese) 57 mg, E6 (Zinc) 147 mg, E8 (Selenium) 0.06 mg, Urine acidifying substances (calcium sulphate) 0.88%, Preservatives, Antioxidants.

Storage and handling

Shelf life varies by product type. Please refer to the best before date stamped on the packaging.

Store products in cool, stable environment. Refer to product packaging for further storage, handling and use instructions, ask our friendly staff in-clinic or chat to us using our WhatsApp widget or via text on 3489.

For more information and advice

  • Ask our team in-clinic
  • Chat to us on WhatsApp or via text on 3489
  • Veterinarian Recommended

    The best products
    for your fur friend.

  • Click & Collect from your local Petfirst clinic

    Secure online payment

  • Chat to us for more advice

    Chat to us on WhatsApp or Text 3489