PROBLEM TO BE SOLVED: To provide an imidafenacin-containing intraorally rapidly disintegrating tablet which is excellent in light stability and generates few decomposition products from a manufacturing process.SOLUTION: The intraorally rapidly disintegrating tablet is characterized by coating granules, with non-cellulose coating agent, the coating granules obtained by granulating one or more selected from the group consisting of tocopherol, a tocopherol derivative, and an acrylic polymer together with imidafenacin, and performing compression molding thereof.SELECTED DRAWING: None【課題】光安定性に優れ、かつ、製造工程分解物の少ないイミダフェナシン含有口腔内速崩錠を提供する。【解決手段】トコフェロール、トコフェロール誘導体およびアクリル系重合体からなる群より選ばれる１種又は２種以上をイミダフェナシンとともに造粒して得られる顆粒を、非セルロース系コーティング剤で被覆し、圧縮成型することを特徴とする口腔内速崩錠。【選択図】なし
