High grade colitis may lead to severe complications, including perforation, toxic megacolon and death. Bleeding may occur due to colitis. Treatment with corticosteroids may lead to infectious complications, including: urinary tract infections, C. difficile infection, and pneumonia.
Checkpoint inhibitor induced colitis
Radiation enteropathy
Radiation colitis
Alkylating antineoplastic agent
Lymphocytic colitis
Microscopic colitis
Immunosuppressive drug
NSAID hypersensitivity reactions