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Ulcerative colitis溃疡性结肠炎

Ulcerative colitis is a long-term inflammatory disease of the lining of the rectum (back passage), sometimes it spreads to the lower part of the colon (large bowel) on your left hand side (distal colitis) In a few people it spreads to the entire colon (pancolitis).溃疡性结肠炎是一项长期的炎症性疾病的衬砌直肠（回到通过） ，有时蔓延到较低部分的结肠（大肠）在您的左手边（远端结肠炎）在少数人的，它蔓延到整个结肠（ pancolitis ） 。

Symptoms are usually intermittent with many people having few or no symptoms between attacks.症状通常是间歇性与许多人有很少或根本没有症状之间的攻击。 The severity and frequency of attacks varies due to the extent of the disease.的严重性和频率的攻击不同，由于程度的疾病。 Ulcers develop on the lining of the intestine, which may bleed and the inflammation causes symptoms of diarrhoea.溃疡的发展对衬砌的肠道，这可能流血及发炎的症状，原因腹泻。 During attacks symptoms may include; diarrhoea, with blood and mucus; abdominal pain; tiredness; fever; poor appetite and weight loss.在攻击症状可能包括;腹泻，血液和粘液;腹痛;疲倦;发热;食欲不振和体重减轻。 The exact cause of ulcerative colitis is unknown.确切原因溃疡性结肠炎是未知之数。

It most often it starts between ages 15 and 40, but can occur at any age.它最常开始之间的15岁和40 ，但可发生于任何年龄。 It affects men and women equally.它影响男性和女性同样。