Ischaemic colitis is an established clinical entity in the elderly, characterized by acute onset of abdominal pain, diarrhoea and rectal bleeding. Six women 20-49 years old have been admitted to our hospital with ischaemic colitis during the last seven years. One of the cases in described, followed by a discussion of associated factors and clinical aspects. We emphasize that ischaemic colitis is an important differential diagnosis of colitis even in younger patients.