Efficacy and safety of modified Xiao-Feng Powder in the treatment of chronic urticaria: protocol of a randomized double-blind placebo-controlled study

• Main Authors: Hing Yu Hung (Author), Tianhe Song (Author), Steven King Fan Loo (Author), Kam Leung Chan (Author), Jessica Yuet Ling Ching (Author), Chi Him Sum (Author), Louis Cho Wing Lo (Author), Sarah Chon Pin Chia (Author), Ray Tin Muk Ho (Author), Pui Kuan Cheong (Author), Tony Hon Chung Siu (Author), Ka Chun Leung (Author), Zhi-Xiu Lin (Author)
• Format: Book
• Published: BMC, 2022-07-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Chronic Urticaria (CU), a common skin disorder known as Yin Zhen in Chinese medicine, is characterized by recurrent, pruritic, pink-to-red edematous lesions and wheals on the skin. Xiao-Feng Powder (XFP, meaning Wind-Dispersing Powder), is reported to be one of the most frequentl...