Condition guide Dogs

Kidney disease in dogs

Chronic kidney disease (CKD) is a slow loss of kidney function, usually in older dogs. The kidneys can lose a lot of function before signs appear.

Last updated: October 2026 · 3 sources · see sources

Quick answerChronic kidney disease (CKD) is a slow loss of kidney function, usually in older dogs. Cost: diagnosis typically runs $200–$500; ongoing treatment, per month: $200–$500 [1].

Signs to watch for

[2][3]

Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.

How vets diagnose it

Bloodwork (creatinine, BUN and SDMA) and a urinalysis show how well the kidneys work. Vets also check blood pressure and urine protein, then stage the disease. [2][3]

How it's treated

There's no cure, but care slows it down: a kidney diet, fluids, anti-nausea medicine, blood pressure medicine and treatment of urine protein. [2][3]

Medicines your vet may mention: Benazepril, Semintra, Cerenia. We don't list doses; your vet will decide what fits your pet.

What it costs to diagnose and manage

Typical US costs
ItemTypical US priceSrc
Diagnosis (exam and tests)$200–$500[1]
Ongoing treatment, per month$200–$500[1]
Ongoing treatment over a year (monthly range × 12)$2,400–$6,000[1]

These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.

Outlook

Outlook depends on the stage. Many dogs found early live comfortably for a long time. [2][3]

Common questions

What is kidney disease in dogs?

Chronic kidney disease (CKD) is a slow loss of kidney function, usually in older dogs. The kidneys can lose a lot of function before signs appear.

What are the signs of kidney disease?

Common signs include: drinking and peeing more, weight loss, poor appetite, vomiting, bad breath, low energy.

How do vets diagnose kidney disease?

Bloodwork (creatinine, BUN and SDMA) and a urinalysis show how well the kidneys work. Vets also check blood pressure and urine protein, then stage the disease.

How is kidney disease treated?

There's no cure, but care slows it down: a kidney diet, fluids, anti-nausea medicine, blood pressure medicine and treatment of urine protein.

How much does kidney disease cost to treat?

Diagnosis (exam and tests): $200–$500; Ongoing treatment, per month: $200–$500; Ongoing treatment over a year (monthly range × 12): $2,400–$6,000. Costs vary with severity, tests, your pet's size and where you live.

This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (3) — tap to show
  1. RealVetCost – Kidney Disease in dogs: symptoms, treatment & costs
  2. Merck Veterinary Manual (pet owner version) – Noninfectious diseases of the urinary system
  3. Merck Veterinary Manual (pet owner version) – Detecting disorders of the kidneys and urinary tract