Silodosin containing colored tablets with improved light stability

PROBLEM TO BE SOLVED: To provide an orally disintegrating tablet or the like containing silodosin, in which chemical stability of silodosin to light is improved, and a generation amount of a decomposition product (analog) derived from an active ingredient is suppressed.SOLUTION: There is provided an orally disintegrating tablet or the like containing silodosin and light-shielding agent in which the tablet is colored by a color selected from pale yellow, yellow, pale red, and red. It is preferable that the light-shielding agent is selected from yellow iron oxide, yellow iron sesquioxide, brown iron oxide, iron sesquioxide, edible yellow No.4, edible yellow No.5, edible yellow No.4 aluminum lake, edible red No.2, edible red No.3, and edible red No.102.SELECTED DRAWING: Figure 1