| abstract |
(57) [Abstract] [PROBLEMS] To provide a transdermal patch with little skin irritation and good absorbability. Kind Code: A1 A percutaneous absorption patch having a pressure-sensitive adhesive layer laminated on one surface of a support, wherein the pressure-sensitive adhesive layer is a (meth) acrylic acid alkyl ester whose alkyl group has 2 to 18 carbon atoms. 50-80 mol% and vinylpyrrolidone 20-50 Molr% to the entire pressure-sensitive adhesive layer, flurazepam 1 to 20 wt%, isopropyl myristate 10 to 40 wt%, lauric acid diethanolamide 1 to 15% by weight, and silicic acid anhydride 5 as an irritation reducing agent A percutaneous absorption patch containing 20% by weight. |