Backing the sticking medicine 1 which has with the adhesive layer 3 which was formed on 2 and backing 2, the adhesion base where it caused adhesive layer 3, with the reaction with the metal ion content desalting kit below the identical-dimensioned mol of the acid addition product and the said acid addition product of (i) ropiniroru and obtained, has not possessed ropiniroru or the metal salt and (ii) hydroxyl group or the carboxyl group and, the sticking medicine 1 which is contained.支持体2と支持体2上に形成された粘着剤層3とを備える貼付剤1であって、粘着剤層3は、(i)ロピニロールの酸付加物と、該酸付加物の等倍モル以下の金属イオン含有脱塩剤との反応により生じせしめた、ロピニロール及び金属塩と、(ii)水酸基及びカルボキシル基を有していない粘着基剤と、を含有する貼付剤1。
