复方枸橼酸铋钾又称三钾二枸橼酸铋(Potassiumdicitrato bismuthate)简称TDB,国外商品名De-Nol 系荷兰Gist-Brocades 公司生产。本品由次硝酸铋与枸橼酸等作用生成三价铋的复合物。药理作用TDB 不是一种止酸剂,也非抗胆硂剂,它是一种“溃疡隔离剂”(Ulcer insulating agents)当进入胃内在胃酸的作用下,生成一种胶状的氧化铋沉淀,能 Compound bismuth potassium citrate, also known as three potassium bismuth citrate (Potassiumdicitrato bismuthate) referred to as TDB, the foreign trade name De-Nol Netherlands Gist-Brocades company. This product is composed of nitric acid bismuth and citric acid and other effects of the formation of bivalent bismuth complexes. Pharmacological Action TDB is not an antacid but also an anticholinergic, an “ulcer insulating agent” that produces a colloidal bismuth oxide precipitate when it enters the stomach under the action of stomach acid, can