Disclosed is a hydrous adhesive patch which contains a drug, has excellent re-adhesion, and is less painful when peeled off the skin. The disclosed hydrous adhesive patch is provided with a support body and an adhesive layer disposed on said support body. The adhesive layer is a preparation of a drug, water (at no more than 30% of the total mass of the adhesive layer), and polyhydric alcohols (at no less than 40% of the total mass of the adhesive layer). The polyhydric alcohols optimally include glycerin. The adhesive layer further contains an inorganic powder, and the sum of the amounts of said inorganic power and the polyhydric alcohols preferably makes up at least 50% of the total mass of the adhesive layer.本發明之目的係提供一種含水貼附劑,其係含有藥物且在剝離時能夠減輕使用者蒙受的疼痛,而且具有優良的再貼著力。本發明之含水貼附劑,其係具備:支撐體、及位於該支撐體上的黏著劑層。該黏著劑層係調配以下而成:藥物;水,其係相對於黏著劑層的總質量為30質量%以下的量;及多元醇,其係相對於黏著劑層的總質量為40質量%以上的量。多元醇係以含有甘油為佳。黏著劑層,較佳為:更含有無機粉體,且該無機粉體與多元醇的調配量之總和,係相對於黏著劑層的總質量為50質量%以上。
