The present invention is directed to a method of treating a condition associated with an overactive bladder, comprising administering to a female an intravaginal device, comprising: (a) an annular first matrix comprising a pocket and a pocket wall, wherein the pocket wall has a uniform thickness, and wherein the pocket wall encompasses the pocket； and (b) a second matrix comprising an anticholinergic agent located in the pocket.本發明係關於一種治療與膀胱過動症相關病狀之方法，該方法包含向雌性投與陰道內裝置，該陰道內裝置包含：(a)環形第一基質，其包含囊袋及囊袋壁，其中該囊袋壁厚度均勻，且其中該囊袋壁包圍該囊袋；及(b)第二基質，其包含抗膽鹼能劑且位於該囊袋中。
