Name of Formula: gan nian gen tang (Radix Rhodomyrtus tomentosae decoction)
Source of formula: TCM Dermatology Simple Edition (in Chinese)
Application: itchy skin
Composition:
gang nian gen 31g，bi xie 31g，tu fu ling 31g，jing jie 6 g，fang feng 6 g，bai zhi 4 g，chuan xiong