Pharmaceutical composition for treating respiratory system diseases and preparation method thereof

The invention discloses a pharmaceutical composition for treating respiratory system diseases. The pharmaceutical composition is prepared from the following raw materials: a phlegm eliminating component, aminoglycoside antibiotics, a pH regulator, an osmotic pressure regulator, a dispersion medium and a stabilizer, wherein the phlegm eliminating component is selected from one or more of acetylcysteine, bromhexine hydrochloride and ipratropium bromide. The liquid mixture of the aminoglycoside antibiotics and the phlegm eliminating medicine is good in stability, long in shelf life and safe in medication, so that clinical medication requirements are better met. 本发明公开了一种治疗呼吸系统疾病的药物组合物，由以下原料制成：祛痰组分、氨基糖苷类抗生素、pH调节剂、渗透压调节剂、分散介质和稳定剂；其中，所述祛痰组分选自乙酰半胱氨酸、盐酸溴己新和异丙托溴铵中的一种或多种。本发明的氨基糖苷类抗生素与祛痰药物的液体混合物，产品的稳定性好，货架期长，用药安全，从而更好的满足临床用药需求。