Damp-heat accumulation type has the characteristics of rapid onset, short course of disease, skin flushing, papules, burning pain and itching, scratching and oozing blood, accompanied by upset and thirst, low body fever, dry stool and short and red urine; Red tongue, thin coating, white or yellow, slippery or numbered pulse. Treatment should clear away heat, promote diuresis and relieve itching.
Self-made Longdan Xiegan Decoction and Chuanying Qushi Decoction. For those with blisters, Rhizoma Smilacis Glabrae and Herba Houttuyniae are added; For those with excessive heat, Rhizoma Coptidis is added; For severe itching, Cortex Cercis Chinensis, Fructus Kochiae and Cortex Dictamni Radicis are added.
The onset of spleen deficiency and dampness resistance type is slow, with skin flushing, papules, itching, erosion, exudation after scratching, scales, anorexia and abdominal distension loose stool; The tongue is pale and fat, with white and greasy fur and slow pulse. Treatment should strengthen the spleen, promote diuresis and relieve itching.
Bauhinia, Kochia scoparia and Cortex Dictamni Radicis are added to Chu Shi Ling Wei Decoction or Shen Ling Baizhu Powder.
People with blood deficiency and wind dryness have a long course of disease, recurrent attacks, dark skin lesions or pigmentation, rough and thick skin, severe itching, aggravated itching after hot washing or soap washing, accompanied by thirst, anorexia and abdominal distension; The tongue is pale with white fur and thin pulse. Treatment should nourish blood and moisten skin, dispel wind and relieve itching.
Radix Salviae Miltiorrhizae, Caulis Spatholobi and Zaocys are added into Danggui Yinzi or Siwuxiaofeng Yinzi. For patients with pruritus and insomnia, Concha Margarita (fried first), Xu Changqing, Polygoni Multiflori Caulis, and Semen Ziziphi Spinosae are added.