Back to Disease DictionaryKidney & Urinary

Urolithiasis in Cats

Formation of stones in the kidneys, ureters, bladder, or urethra. Struvite and calcium oxalate stones are most common in cats.

Vet Supervised

Symptoms

  • Blood in urine
  • Frequent urination
  • Difficulty urinating
  • Crying during urination
  • Urinating outside litter box

Causes

  • Diet (high mineral content)
  • Insufficient water intake
  • Abnormal urine pH
  • Genetic predisposition
  • Metabolic abnormalities

Diagnosis

1

Urinalysis

2

Abdominal X-rays

3

Abdominal ultrasound

4

Stone composition analysis

Treatment

  • Dietary management (for dissolvable stones)
  • Surgical removal
  • Increased water intake
  • Urine pH management

Prognosis

Good with treatment, but high recurrence rate requires ongoing dietary management and monitoring.

Severity: Medium

Prevention

  • Increase wet food ratio
  • Always provide fresh water
  • Use appropriate therapeutic diets
  • Regular urinalysis

Commonly Affected Breeds

Epidemiology

Age Range

Most common in middle-aged cats (4-10 years)

Prevalence

Accounts for approximately 20% of feline urinary disorders

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