The treatment for C. difficile colitis is usually just to discontinue the use of antibiotic that caused the colitis. In extreme cases sufferers may be given metronidazole antibiotics to counter the colitis as well.

It means that it may not be a true ulcerative colitis but may be colitis related to some infection or antibiotic induced colitis

Vancomycin is an antibiotic. It is used to treat Metronidazole resistant Pseudo-membranous enter o-colitis. Or if the the patient is allergic to Metronidazole. Pseudo-membranous enter o-colitis is caused by the use of broad spectrum Antibiotics which kills normal flora of the large intestine.

No, duodenal stricture cannot cause ischaemia colitis. Duodenal stricture is caused by ulceration, scarring and fibrosis whereas ischaemic colitis is caused by compromised blood supply to the colon.

Colitis is a general term referring to inflammation of the colon, which can be caused by various factors such as infection or autoimmune conditions. Ulcerative colitis is a specific type of colitis that is a chronic inflammatory bowel disease characterized by ulcers in the colon and rectum. Ulcerative colitis is a subset of colitis.