PROBLEM TO BE SOLVED: To provide a rapidly disintegrating tablet that shows rapid disintegration in an oral cavity and also has high hardness.SOLUTION: A rapidly disintegrating tablet comprises ground products of fossilized seaweeds.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】口腔内での速やかな崩壊性を有し、しかも高い硬度を有する速崩壊性錠剤を提供することを課題とする。【解決手段】石化海藻の粉砕物を含有する速崩壊錠剤。【選択図】なし