解痉灵化学名称为N-正丁基东莨菪碱溴铵盐,是一种抗胆碱药。除具有平滑肌解痉作用外,尚有阻断神经节及神经肌肉接头的作用。中枢作用较弱,能选择性地缓解胃肠道、胆道及泌尿道平滑肌痉挛及抑制蠕动,而对心脏、瞳孔和唾液腺的影响很小。治疗剂量很少出现类似阿托品引起的中枢兴奋,以及很少发生心跳过快与口干等副作用。早在五十年代初国外 Antispasmodic chemical name is N-butyl scopolamine bromide salt, is an anticholinergic. In addition to the role of smooth muscle spasm, there are blocked ganglion and neuromuscular junction role. The central role is weak, can selectively relieve gastrointestinal, biliary and urinary tract smooth muscle spasm and inhibit peristalsis, and the heart, pupil and salivary glands little effect. Therapeutic doses rarely appear similar to atropine caused by central nervous excitement, and rarely occur too fast heartbeat and dry mouth and other side effects. As early as the early 1950s abroad