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Tropical sprue is a malabsorption disease commonly found in the tropical regions, marked with abnormal flattening of the villi and inflammation of the lining of the small intestine. It differs significantly from coeliac sprue. It appears to be a more severe form of environmental enteropathy. ==Signs and symptoms== The illness usually starts with an attack of acute diarrhea, fever and malaise following which, after a variable period, the patient settles into the chronic phase of diarrhoea, steatorrhoea, weight loss, anorexia, malaise and nutritional deficiencies.〔〔 The symptoms of tropical sprue are: * Diarrhoea * Steatorrhoea or fatty stool (often foul-smelling and whitish in colour) * Indigestion * Cramps * Weight loss and malnutrition * Fatigue Left untreated, nutrient and vitamin deficiencies may develop in patients with tropical sprue.〔 These deficiencies may have the following symptoms: * Vitamin A deficiency: hyperkeratosis or skin scales * Vitamin B12 and folic acid deficiencies: anaemia * Vitamin D and calcium deficiencies: spasm, bone pain, numbness and tingling sensation * Vitamin K deficiency: bruises 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「tropical sprue」の詳細全文を読む スポンサード リンク
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