| abstract |
A non-aqueous patch comprising 0.5 to 7% by mass of lidocaine, and a dissolving agent composed of isostearic acid and a polyalcohol, wherein the lidocaine and the dissolving agent are contained in a dressing base, holding the dressing by a backing, wherein the backing has a tensile strength of less than 2,000g/50mm when the backing is stretched to 50% longitudinally; and wherein the backing is a biaxially oriented elastic fabric. |