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
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