PROBLEM TO BE SOLVED: To provide a granisetron-containing aqueous pharmaceutical packaging body formed by storing the granisetron-containing aqueous pharmaceutical in a steam-barrier packaging container, the granisetron-containing aqueous pharmaceutical as a stable premix preparation containing 1 mg of granisetron stored in a plastic container.SOLUTION: The granisetron-containing aqueous pharmaceutical packaging body is formed by storing a stable granisetron-containing aqueous pharmaceutical in a plastic container with a water vapor permeability of no more than 4 g/m2/24h, where the granisetron-containing aqueous pharmaceutical is formed by storing, in a plastic container, an aqueous solution containing 1 mg of granisetron, a tonicity agent, a buffer agent, and a pH regulator, having pH of within a range of 5.0-7.0, and having an amount of liquid of substantially 50-100 ml.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】プラスチック製容器に収納したグラニセトロン1mgを含有する安定なプレミックス製剤としてのグラニセトロン含有水性製剤を、水蒸気バリア性の包装容器に収納したグラニセトロン含有水性製剤の包装体を提供する。【解決手段】グラニセトロン1mg等張化剤、緩衝剤およびpH調節剤を含有し、pHが5.0~7.0の範囲で、液量が約50~約100mLである水溶液をプラスチック製容器に収納した安定なグラニセトロン含有水性製剤を、水蒸気透過度が4g/m2・24h以下である包装容器に収納したグラニセトロン含有水性製剤の包装体。【選択図】なし