Excess Protein In Dogs’ Urine: Symptoms, Causes, & Treatments


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Excess protein in dogs’ urine can either be an abnormality that’s easily remedied by dietary changes, or it can be a condition called proteinuria, which is a sign of diseases or medical conditions that can be quite serious.

Sometimes dogs who suffer from proteinuria show no symptoms, which is why the condition is often found through routine urinalysis at regular vet visits. It’s normal for dogs to have some protein in their urine. However, in the case of proteinuria, protein levels become too high for the kidneys to filter.

This often happens gradually in older dogs, but it can also be the result of kidney disease or other medical issues. If your veterinarian finds excess protein in your dog’s urine, then it’s important that they determine the underlying cause and treat the issue.

Here’s what you should know about the symptoms, causes, and treatments for excess protein in dogs’ urine.

Symptoms Of Excess Protein In Dogs’ Urine

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Excess protein in dogs’ urine is itself a symptom of other medical conditions, so there are often no other accompanying symptoms.

When symptoms do appear along with excess protein in the urine, they depend on the underlying cause of the dog’s proteinuria.

Some of these symptoms that can occur along with excess protein in the urine include:

  • Visible blood in the urine
  • Anorexia
  • Weight loss
  • Weakness
  • High blood pressure

Causes Of Excess Protein In Dogs’ Urine

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Sometimes excess protein in dogs’ urine can be due to improper diet or strenuous exercise. These are usually not too worrisome and are easy to treat with dietary and lifestyle changes, as well as with proper hydration.

However, there are several medical conditions and illnesses that can be the underlying cause of proteinuria.

Here are several possible reasons for excess protein in dogs’ urine:

  • Cushing’s disease
  • Urinary tract infection
  • Lyme disease
  • Immune mediated disease
  • Ehrlichia
  • Kidney disease
  • Kidney failure
  • Glomerular disease
  • High blood pressure
  • Scar tissue in the kidneys
  • Lipemia
  • Prostate problems
  • Inflammation or bleeding in the urinary tract (caused by several medical conditions)

Treatments For Excess Protein In Dogs’ Urine

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Treatment for excess protein in dogs’ urine depends on the cause of the condition. For instance, some underlying causes may be treated with dietary changes. Usually these diets are low in protein, phosphorous, and sodium while being high in Omega 3 fatty acids. Sometimes vets additionally prescribe baby aspirin to help prevent blood clotting problems.

Vets treat further underlying diseases and conditions on an individual basis. If there’s inflammation, infection, or a risk of infection developing, then vets may prescribe antibiotics. Vets may also give intravenous fluids to dogs suffering from dehydration. They may treat high blood pressure with a calcium channel blocker or beta blocker.

If your dog suffers from proteinuria, your veterinarian will determine the cause and treat it accordingly.

Has your dog ever suffered from excess protein in their urine? What was the cause? Let us know in the comments below!