PROBLEM TO BE SOLVED: To provide an orally disintegrating tablet that has tablet hardness, with which extremely few cracks and chips are brought about during a production process and transportation, and is excellent, and to provide an orally disintegrating tablet, by an extremely simple production method and at low cost.SOLUTION: The orally disintegrating tablet contains a base compound with water solubility of 100 mg/mL or more. In addition, the method for producing the orally disintegrating tablet includes: tableting a mixture of a base compound with water solubility of at least 100 mg/mL or more and an excipient and subsequently merely storing the tablet, especially storing it at about room temperature.COPYRIGHT: (C)2013,JPO&INPIT【課題】製造工程や輸送時に割れや欠けの極めて少ない錠剤硬度を有し、且つ優れた口腔内崩壊錠を提供すること。また、非常に簡単な製造方法によって、低コストで口腔内崩壊錠を提供すること。【解決手段】100mg/mL以上の水溶解度を有する主剤を含有する口腔内崩壊錠。また少なくとも100mg/mL以上の水溶解度を有する主剤および賦形剤の混合物を打錠した後、単に保管すること、特に室温程度に保管することによる口腔内崩壊錠の製造方法。【選択図】なし