This invention provides an antipruritic comprising an opiate K receptor agonist as an effective component, and morphinian derivatives which are useful for the treatment of pruritus caused by various diseases.
本发明提供了一种止痒剂,其中包括作为有效成分的阿片类 K 受体激动剂和
吗啡衍
生物,可用于治疗各种疾病引起的瘙痒症。