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Urinary Tract Obstruction in Ferrets

A urinary tract obstruction causes the ferret to strain while urinating, producing little or no urine each time. This may occur due to inflammation or compression on the urethra, or simply a blockage. If left untreated, it may also affect the renal, gastrointestinal, cardiovascular, nervous, and respiratory systems as uremia and acute renal failure develop. Urinary tract obstructions are more common in males than females.

Symptoms and Types

The first sign of a urinary obstruction is straining to urinate. This may actually look like constipation since the ferret may hunch over in pain while trying to urinate. Because of the abnormal passage of urine, the stream or flow of urine will be interrupted and may appear cloudy. If any urine is seen, it may appear dark or blood-tinged.

The pain involved causes many ferrets to cry out and they will stop eating and become depressed. Vomiting or retching may also occur. If the ferret does not receive medical treatment, renal failure can develop, which can be life threatening

Causes

Intraluminal Causes (inside the tubes)

  • Solid or semisolid structures, including kidney stones, pus, blood clots, and tissue fragments; often these are found in the urethra


Intramural Causes (within the walls)

  • Cysts
  • Tumors
  • Increase in size of prostate
  • Muscle wall dysfunction
  • Edema, hemorrhage, ruptures, punctures, etc.
  • Feeding of dog food which may lead to urinary tract stones

Diagnosis

Your veterinarian will first attempt to differentiate from other causes and hormonal imbalances. This is often accomplished by conducting blood and urine analysis and abdominal X-rays and ultrasounds. If urinary stones are discovered, a sample may be taken for analysis.

 
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