Megacolon
More common causes
Toxic megacolon
Hypothyroidism
Hirschsprung's disease
Chagas disease
Parkinson's disease
Diabetes mellitus
Necrotizing enterocolitis
Inflammatory bowel disease
Cytomegalovirus infection
Less common causes
Hypokalemia
Hirschsprung disease
Clostridioides difficile infection
Amyloidosis
Systemic sclerosis
Lead poisoning
Colonic pseudoobstruction
Multiple endocrine neoplasia type 2b
Uncommon causes
Familial visceral myopathy
Chronic intestinal pseudo-obstruction
Pharmacological causes
Fidaxomicin