Hepatoportal Microvascular Dysplasia in Dogs: Symptoms, Causes, & Treatments

(Learn more about hepatoportal microvascular dysplasia in dogs. Picture credit: Sebastian Condrea / Getty Images)

Hepatoportal microvascular dysplasia in dogs affects the liver. Unfortunately, the condition is inherited, which means a dog can be born with it.

Unfortunately, small dogs are most at risk of the condition. For example, Tibetan Spaniels, Yorkshire Terriers, and Maltese dogs often suffer from it.


If you see signs of the condition in your dog, then get to a veterinarian for a proper diagnosis and treatment.

Here’s what you should know about the symptoms, causes, and treatments for the condition.

Symptoms of Hepatoportal Microvascular Dysplasia in Dogs

The condition produces many symptoms. For example, the most common symptoms include:

  • Anorexia
  • Vomiting
  • Lethargy
  • Diarrhea
  • Confusion

However, sometimes the condition does not produce any symptoms.

Causes of Hepatoportal Microvascular Dysplasia in Dogs

(Picture credit: Chris Skyberg / EyeEm / Getty Images)

The cause of the condition is congenital. Unfortunately, this means a dog is born with the condition.

For example, the following breeds of dog are at risk of the condition:

  • Yorkshire terrier
  • Maltese
  • Miniature Poodle
  • Miniature Dachshund
  • Tibetan Spaniel
  • West Highland White Terrier
  • Cairn Terrier

Treatments for The Condition in Dogs

Firstly, your vet will ask about your dog’s symptoms. Secondly, your vet will ask about any medical issues specific to your dog’s breed.

Thirdly, a full physical examination will be carried out.

Fourthly, blood and urine tests will be taken. Subsequently, your dog’s liver values will be analyzed.

Unfortunately, there is no cure for the condition. Managing it is key.

Your vet will recommend a low protein diet for your dog.

Antibiotics can also be used. As always, if your vet prescribes your dog any medicine, make sure to stick to the correct instructions. Also, complete the full course of medicine.

Have you ever cared for a dog who suffered from this condition? How did your vet help your dog recover? Let us know in the comments below.

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