Back to Disease DictionaryDigestive
Megacolon in Cats
Abnormal dilation of the colon that prevents normal peristalsis. Causes severe constipation and can be life-threatening if untreated.
Vet Supervised
Symptoms
- Severe constipation
- Hard or small stools
- Straining to defecate
- Decreased appetite
- Vomiting
- Weight loss
Related Symptom Pages
Causes
- Idiopathic (most common)
- Consequence of pelvic fractures
- Nerve damage
- Spinal disorders
Diagnosis
1
Abdominal X-rays
2
Abdominal ultrasound
3
Colonoscopy
4
Blood tests
Treatment
- Stool softeners and laxatives
- High-fiber diet
- Enemas (severe cases)
- Subtotal colectomy (when medical treatment fails)
Prognosis
Many cats can be maintained with medical management, but severe cases require surgery with good postoperative prognosis (>90%).
Severity: Medium
Prevention
- Adequate water intake
- Appropriate fiber in diet
- Encourage exercise
- Regular monitoring of bowel habits
Commonly Affected Breeds
Epidemiology
Age Range
Most common in middle-aged to older cats (5+ years)
Prevalence
Approximately 10-15% of cats with chronic constipation
