Feline megacolon is a debilitating condition causing severe constipation and colonic dysfunction. Early diagnosis and appropriate management significantly improve quality of life.
Cats with megacolon experience significant discomfort from chronic constipation and the repeated need for manual de-obstipation under anesthesia. Each episode of severe obstipation causes further colonic stretch and nerve damage, creating a progressive cycle. Early intervention with dietary changes, laxatives such as lactulose, and prokinetics like cisapride can preserve quality of life. Owners must monitor defecation frequency carefully and recognize early signs of recurrence. When medical management fails, subtotal colectomy — surgical removal of most of the colon — restores near-normal quality of life in most cats. Post-operative diarrhea typically resolves within weeks to months as the remaining intestine adapts.