A method of treating a keloid in a subject, comprising: applying a pharmaceutical composition to a keloid wound or an area at risk of forming a keloid in a subject, wherein the composition includes an effective amount of a hyaluronan and an effective amount of a collagen, the weight ratio per unit volume of the hyaluronan to the collagen being greater than 1.一種治療人體中的蟹足腫的方法,包括:將醫藥組合物施用於蟹足腫傷口或在人體中形成蟹足腫的風險的區域,其中所述組合物包含有效量的透明質酸和有效量的膠原蛋白,每單位體積的重量比為透明質酸對膠原蛋白大於1。