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UTI Problems and Bladder Infections in Rabbits

Urinary Tract Obstruction in Rabbits

 

  

Urinary tract obstructions, which restricts the flow of urine from the kidneys, is a common condition in rabbits. It can be due to a variety of reasons, including urinary tract infections (UTIs) or deeper bladder infections.

 

Symptoms and Types

 

Some rabbits will not have any signs or symptoms of problems if they have a urinary tract obstruction, but most will. Depending on the severity of the condition, most rabbit owners will report the following signs and symptoms:

 

  • Frequent urination
  • Painful or difficult urination
  • Thick, beige or brown-colored urine
  • Cloudy-looking urine, or urine that appears thicker than normal
  • Hunched-over posture while urinating
  • Difficulty moving about, or getting up
  • Retention of urine, difficulty emptying bladder fully, or lack of urine flow during movements
  • Lethargy, weight loss, tooth grinding, or signs of pain on urination or movement

 

Many rabbits will also have abnormally large kidneys. Unless you are skilled at detecting the kidneys from the rest of the anatomy, your veterinarian will be able to assist with this part of the examination or diagnosis.

 

Causes

 

Lesions can develop in the rabbit's urinary pathway, which can increase the pressure in the ureters -- the tubes that release the urine -- causing concomitant kidney failure. One of the most common reasons for problems of the urinary tract is the excretion of too much calcium, which can lead to kidney stones, or what many refer to as calcium “sand” or “sludge” in the urine. This material can block the urethra and the tubes that carry and excrete urine, causing little clots that can prove very problematic for the rabbit.

 

Other causes can include inflammation or injury to the ureters, which can block the flow or urine from the kidney; trauma to the area; or an overgrowth of tissue (hyperplasia), which may be associated with cancer, although this is very rare diagnosis in rabbits.

 

Diagnosis

 

To diagnose a kidney infection, your veterinarian will first observe whether your rabbit is exhibiting unproductive squatting that does not lead to effective urination. The doctor may note that urination is incomplete, or leads to the passing of cloudy or dark-colored urine. Urinary obstruction may be noted by the rabbit passing incomplete, or very small amounts of urine.

 

An evaluation of urine sediment can reveal calcium carbonate crystals in the urine, but this does not always occur. One of the most common diagnostic tools used for this condition, a catheter, will be inserted into the rabbit's bladder to locate any kidney stones or other materials that are blocking the ureter. This may also be used to help guide the material through and out of the urethra.

 

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