To provide a solid preparation which contains loxoprofen or a salt thereof, has proper hardness, can dissolve rapidly in oral cavity, has excellent stability in appearance, and can be taken without water.SOLUTION: The invention relates to a solid preparation which can be taken without water and contains loxoprofen or a salt thereof, and silicon dioxide whose content is 0.1-0.45 parts by mass to 1 parts by mass of loxoprofen or a salt thereof. As the solid preparation which can be taken without water, an orally disintegrating tablet or a chewable tablet is preferable.SELECTED DRAWING: None【課題】 ロキソプロフェン又はその塩を含有する製剤に関し、適度な硬度を有し、口腔内で速やかに崩壊でき、かつ、外観安定性にも優れた水なしで服用可能な固形製剤を提供すること。【解決手段】 ロキソプロフェン又はその塩、及び二酸化ケイ素を含有し、二酸化ケイ素の含有量がロキソプロフェン又はその塩1質量部に対し0.1~0.45質量部であることを特徴とする、水なしで服用可能な固形製剤。水なしで服用可能な固形製剤としては、口腔内崩壊錠又はチュアブル錠が好ましい。【選択図】 なし