复方盐酸麻黄碱滴鼻液为医院制剂。其主要成分为盐酸麻黄碱、氧氟沙星、地塞米松磷酸钠，含有防腐剂羟苯乙酯。我们用ＨＰＬＣ同时测定这４种成分的含量，结果满意。１仪器与试药ＬＣ－１０ＡＤ液相色谱仪（日本岛津）；对照品符合中国药典要求；试剂均为分析纯；样品由广... Compound ephedrine hydrochloride nasal drops for the hospital preparation. Its main components are ephedrine hydrochloride, ofloxacin, dexamethasone sodium phosphate, containing preservatives hydroxy-ethyl. We used HPLC to determine the contents of these four components at the same time, with satisfactory results. 1 instruments and reagents LC-10AD liquid chromatography (Shimadzu); reference substance in line with Chinese Pharmacopoeia requirements; reagents are of analytical grade;