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便秘常用泻药治疗,其基本作用为刺激分泌和减少吸收、增加肠腔内渗透压和流体静力压.长期滥用可产生全身性及胃肠道症状.泻药种类容积性泻药:含多糖或纤维素类,能膨胀成润滑性凝胶,使肠内容物易通过,并促进肠蠕动.包括多纤维食物.12～24h见效,但不少人需用数天.这类泻药无全身反应,可长期应用,特别适用于进食少渣食物者、孕妇或停用刺激性泻药者.服药时需饮液体240ml,否则可致消化道梗阻.肠狭窄者禁用.软化性泻药:系基本不吸收的表面活性剂(如多库脂钠或钾),能使粪中水和脂肪易于
Constipation commonly used laxatives, its basic role is to stimulate the secretion and reduce absorption, increase intestinal osmotic pressure and hydrostatic pressure. Long-term abuse can produce systemic and gastrointestinal symptoms. Laxatives Volumetric laxatives: polysaccharides or cellulose Class, can be expanded into a lubricating gel, so that intestinal contents easily pass, and promote bowel movements. Including multi-fiber foods .12 ~ 24h effective, but many people take a few days. Such laxatives without systemic reactions, long-term Application, especially for those who eat less food residue, pregnant women or stop stimulant laxative who take medication to drink liquid 240ml, otherwise it can cause digestive tract obstruction.Silk stenosis were disabled. Softening of laxatives: Department of basic non-absorbent surface activity Agents (such as Docusate Sodium or Potassium) can make faeces water and fat easily