Question 1

Is polycystic kidney disease hereditary in cats?

Accepted Answer

Yes — PKD in cats is most often an inherited genetic condition. A mutation passed from an affected parent (typically in an autosomal dominant pattern) causes cysts to form in the kidneys, and the disease is common in Persian, Himalayan, and Exotic Shorthair lines. Genetic testing and ultrasound screening can identify carriers before they are bred.

Question 2

What are the early signs of polycystic kidney disease in pets and how is it diagnosed?

Accepted Answer

Early signs commonly include increased thirst and urination, poor appetite, weight loss, and occasional vomiting. Diagnosis is made with abdominal ultrasound to see kidney cysts, supported by blood and urine tests that show declining kidney function, and genetic testing where a known mutation exists. Your veterinarian may recommend regular monitoring if your pet is at risk.

Question 3

How is polycystic kidney disease in cats and dogs treated?

Accepted Answer

PKD cannot be cured, but treatment focuses on managing symptoms and slowing kidney damage. Management may include fluid therapy, blood pressure control, kidney-supportive diets, medications for nausea or anemia, and regular monitoring of kidney values. In rare cases advanced interventions like transplantation are considered, but most pets are managed medically at home with veterinary follow-up.

Question 4

Can polycystic kidney disease be prevented in my pet?

Accepted Answer

You cannot prevent an individual animal from inheriting PKD if the mutation is present, but you can prevent producing affected offspring through responsible breeding. Breeders should screen potential parents with genetic tests and ultrasound and avoid breeding animals that test positive to reduce disease in the population.

Question 5

What is the long-term outlook for a pet with PKD and how much does treatment cost?

Accepted Answer

The outlook varies: some pets have slow progression and live years with good quality of life, while others develop chronic kidney failure sooner and need more intensive care. Costs range widely — initial testing (genetic test or ultrasound) and routine monitoring are relatively affordable, but advanced treatments, hospitalizations, or specialized procedures can be expensive. Discuss likely monitoring and treatment plans with your vet to get a clearer picture of expected costs for your pet.

Question 6

Which breeds are most at risk for PKD and should I have my cat tested?

Accepted Answer

Persian, Himalayan, Exotic Shorthair, and some related purebreds have the highest risk for PKD and should be tested. If you own one of these breeds or a mixed-breed cat with those lines, ask your veterinarian about genetic testing or an ultrasound; testing is recommended before breeding and useful for early management decisions. Routine screening is less commonly needed for low-risk breeds unless symptoms appear.

Breed	Species	Size
Rainbow Lorikeet	Bird	Medium
American Shorthair	Cat	Medium
Birman	Cat	Medium
Bombay	Cat	Medium
British Longhair	Cat	Medium
British Shorthair	Cat	Large
Chartreux	Cat	Large
Devon Rex	Cat	Small
Exotic Shorthair	Cat	Medium
Himalayan	Cat	Medium
Maine Coon	Cat	Large
Persian	Cat	Medium
Ragamuffin	Cat	Large
Ragdoll	Cat	Large
Russian Blue	Cat	Medium
Scottish Fold	Cat	Medium
Selkirk Rex	Cat	Medium
Siberian	Cat	Large
Snowshoe	Cat	Medium
Tonkinese	Cat	Medium

Polycystic Kidney Disease

Symptoms & Signs

Causes & Risk Factors

Diagnosis

Treatment

Prevention

Prognosis

Affected Breeds (20)

Related Conditions