Down Syndrome Dog: Why It Happens and What to Expect

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Table of Content

Key points

  • Down’s syndrome does not exist in dogs
  • Other congenital conditions may look similar
  • Seek veterinary attention if your dog isn’t developing properly
  • Treatment options and prognosis will depend on your dog’s diagnosis

Common in

Symptoms & types

Pituitary Dwarfism

Congenital Hypothyroidism

Congenital Heart Disease

Congenital Hydrocephalus

Portosystemic shunt

Dogs can’t have Down’s syndrome as they have a different number of chromosomes compared to people.

Understanding the diagnostics

Learning about the causes

Dogs can be born with several other conditions which could look similar to Down’s syndrome. If your puppy isn’t developing as you think it should then contact your veterinarian for advice.

Best treatment options

Home remedies and their effectiveness

When to see a vet


Rebecca is a companion animal vet who has always had a passion for writing and client communication. Since her graduation from the Royal Veterinary college in 2009, she has gained a wealth of experience in first opinion small animal practice, in both clinical and managerial roles. She currently works in the South West and deals with a variety of routine and emergency appointments, but particularly enjoys medicine cases. Outside of work and writing, she enjoys spending time with her family, including her bouncy flat-coated retriever George!

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