PROBLEM TO BE SOLVED: To provide a 4% morphine hydrochloride injection formulation stored in a plastic container, having excellent formulation stability, and usable safely.SOLUTION: This morphine hydrochloride injection formulation is formed by enclosing into a hardly oxygen-permeable packaging material together with an deoxidizer, a morphine hydrochloride injection formulation storing a 4% morphine hydrochloride injection, containing 5-20 μg/mL sulfites and not containing substantially a buffer component, in a plastic container having a sealing member made of vulcanized rubber.COPYRIGHT: (C)2013,JPO&INPIT【課題】製剤安定性に優れ、かつ安全に使用できる、プラスチック製容器に収容された4%モルヒネ塩酸塩注射液製剤を提供する。【解決手段】加硫ゴム製封止部材を有するプラスチック製容器に、亜硫酸塩類5~20μg/mLを含有し、緩衝剤成分を実質的に含有しない4%モルヒネ塩酸塩注射液収容したモルヒネ塩酸塩注射液製剤を、さらに脱酸素剤とともに酸素難透過性包材に封入してなるモルヒネ塩酸塩注射液製剤が、上記課題を解決する。【選択図】なし
