| abstract |
A preparation for transdermal absorption isndisclosed which is suited for alleviating lasting painsncaused by herpes zoster or postherpetic neuralgia andnis practical and more improved in drug efficacy, safetynand application characteristics. This tapenpreparation for transdermal absorption is obtained byncausing an adhesive mass prepared by incorporating 1-30nparts by weight of a local anesthetic as an activeningredient in 100 parts by weight of a nonaqueousnadhesive mass base comprising 5-50% by weight of anstyrene-isoprene-styrene block copolymer, 1-60% bynweight of an alicyclic saturated hydrocarbon resin,n5-60% by weight of liquid paraffin and 1-30% by weightnof butyl rubber to be supported on a backing. |