ROYAL CANIN® Urinary S/O is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease. If you are a veterinarian or veterinary nurse and wish to see the full product information in more detail, please visit our .

The high moisture content of wet increases urine dilution. As idiopathic cystitis accounts for nearly 64% of cases of FLUTD, a wet diet is preferred in cases of recurring cystitis.

Helps dissolve all types of struvite stones.

Helps lower the concentration of ions contributing to crystal formation.

Urine dilution makes the urine less liable to form struvite and calcium oxalate stones.

ROYAL CANIN® Urinary S/O is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease. Recommended in cases of (indications): Struvite uroliths: dissolution and management of recurrence, Calcium oxalate uroliths: management of recurrence, Feline idiopathic cystitis (FIC). Not recommended for (contraindications): Chronic Kidney Disease (CKD), Heart disease (when sodium restriction is sought), Concurrent use of urine-acidifying drugs, Growth, gestation, lactation, Hypertension. In older cats, it is recommended renal function be checked before Urinary S/O is prescribed. This diet is complete and balanced and can be fed long-term. A full health check should be performed by a veterinarian every 6 months.

Urinary S/O Pouch

URINARY S/O

ROYAL CANIN® Urinary S/O is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease. If you are a veterinarian or veterinary nurse and wish to see the full product information in more detail, please visit our

In 1968 in the South of France, a veterinarian named Jean Cathary discovered he could help dogs heal more fully through tailored nutrition. In this visionary act, Royal Canin was born. Today, using advanced veterinary science and careful observation to identify the most adapted nutrients, our 220+ individual formulas support the health of every individual cat and dog.

Reduced level of magnesium, a natural component of struvite crystals.

'At Royal Canin, we believe that nutrition plays a key role in supporting the heath and wellbeing of cats and dogs. This is why we have designed ROYAL CANIN® Veterinary diets around proven nutritional science in order to address specific pet conditions. Ask and follow your veterinarian''s nutritional recommendation.'

<p>ROYAL CANIN® URINARY S/O is a veterinary exclusive dry food specially formulated for adult cats with urinary health concerns.&nbsp; By helping to increase the amount of urine your cat produces, this specialised diet helps dilute excess minerals that can cause crystals and stones. Relative Super Saturation (RSS) methodology is used to help lower ion concentration in urine, which contributes to stone formation. With a reduced level of magnesium, this unique nutrition helps dissolve pure struvite stones and helps prevent calcium oxalate stones from forming. Mix with your cat’s complementary ROYAL CANIN® URINARY S/O WET Cat Food to give it a texture that pleases even the fussiest eater.&nbsp;&nbsp;</p>

ROYAL CANIN® Urinary S/O is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease. Recommended for (indications): Struvite uroliths: dissolution and management of recurrence, Calcium oxalate uroliths: management of recurrence. Not recommended for (contraindications): Chronic Kidney Disease (CKD), Heart disease (when sodium restriction is sought), Concurrent use of urine-acidifying drugs, Growth, gestation, lactation, Hypertension. In older cats and dogs, it is recommended renal function be checked before Urinary S/O is prescribed. This diet is complete and balanced and can be fed long-term. A full health check should be performed by a veterinarian every 6 months.

Urinary S/O

ROYAL CANIN® Urinary S/O Moderate Calorie is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease - for adult cats prone to being overweight. If you are a veterinarian or veterinary nurse and wish to see the full product information in more detail, please visit our .

Urine dilution makes the urine less liable to form struvite and calcium oxalate uroliths.

Moderate calorie content to help maintain ideal weight.

ROYAL CANIN® Urinary S/O Moderate Calorie is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease - for adult cats prone to being overweight. Recommended for cats with tendency to be overweight in cases of: Struvite uroliths: dissolution and management of recurrence, Calcium oxalate uroliths: management of recurrence. Not recommended in case of: Chronic Kidney Disease (CKD), Heart disease (when sodium restriction is sought), Concurrent use of urine-acidifying drugs, Growth, gestation, lactation, Hypertension. This diet is complete and balanced and can be fed long-term. A full health check should be performed by a veterinarian every 6 months.

Urinary health for cats

Featured products

Urinary S/O Pouch

Urinary S/O

Urinary S/O Moderate Calorie Pouch

Urinary health in cats

Read more about urinary health

How to treat a cat with urinary issues

Urinary incontinence in cats

Bladder problems in cats

How your cat's diet affects its urinary health

Health advice for your cat

Urinary health for cats

Featured products

Urinary S/O Pouch

Urinary S/O

Urinary S/O Moderate Calorie Pouch

Urinary health in cats

Read more about urinary health

​How to treat a cat with urinary issues

Urinary incontinence in cats

Bladder problems in cats

​How your cat's diet affects its urinary health

Health advice for your cat

How to treat a cat with urinary issues

How your cat's diet affects its urinary health