PROBLEM TO BE SOLVED: To provide an oral composition containing a new masking material to reduce the stimulating bitter taste of diphenhydramine or its acid addition salt and takable without giving undesirable feeling.SOLUTION: The oral composition is produced by compounding diphenhydramine or its acid addition salt with an amino acid. The amount of the amino acid is 0.1-60 pts.mass based on 1 pt.mass of the diphenhydramine or its acid addition salt.COPYRIGHT: (C)2008,JPO&INPIT【課題】ジフェンヒドラミンまたはその酸付加塩の刺激的な苦味を低減させ、服用時に不快感を与えないような、新たなマスキング素材を含有させた経口組成物を提供すること【解決手段】ジフェンヒドラミンまたはその酸付加塩とアミノ酸を配合した経口組成物。【選択図】なし
