本品系由比利时杨森公司于70年代初合成的速效性泻药。其主要药效成份是盐酸氯哌酰胺,在化学结构上与吗啡有相似之处.经药理研究表明,它在体内浓集于胃肠道壁,稳定肠壁上神经突触前膜,抑制乙酰胆硷的释放.血中药量极少,且不通过血脑屏障,因而无鸦片类药的中枢作用.经国外多年临床治疗证 This product by the Belgian Janssen company in the early 70s synthesized quick-acting laxatives. Its main pharmacodynamic component is chlorpheniramine hydrochloride, which has similarities in chemical structure with morphine.According to pharmacological studies, it is concentrated in the gastrointestinal wall in vivo, stabilizes the pre-synaptic membrane on the intestinal wall, inhibits acetyl Choline release of blood very little medicine, and does not pass the blood-brain barrier, which is no central role of opiate drugs. After years of clinical evidence