Psoriasis belongs to the category of “white mange” in traditional Chinese medicine. According to clinical symptoms and signs, it can be divided into blood-heat and toxicity evidence, blood-heat and blood stasis evidence, and yin deficiency and blood dryness evidence.
Blood-heat and toxicity syndrome is characterized by bright red or purple-red skin lesions, scaly surface, itching, accompanied by dry mouth and sore throat, irritable heat (irritability and sultriness), yellow urine, etc. The treatment is to clear heat and cool the blood (to alleviate the blood-heat by clearing the heat), and detoxify and dispel the wind. The formula is Rhinoceros Jiao Di Huang Tang and Qing Ying Tang with additions and subtractions. Rhinoceros Jiao Di Huang Tang is contraindicated in cases of blood loss due to Yang deficiency and weakness of the spleen and stomach. Qingying Tang should not be used if there is heavy dampness.
Blood-heat stasis syndrome is often seen in skin lesions with dark red color, thick scales, and little itching, etc. The treatment is to cool blood and activate blood circulation, detoxify and eliminate spots. The formula is Taohong Siwu Tang plus subtractions. The adverse reactions and contraindications of this formula are not clear.
Yin deficiency and blood dryness syndrome is mostly seen in skin lesions with light red color, fine and dry scales on the surface, easy to crack and bleed in autumn and winter, self-conscious dry itching, often accompanied by dryness of the mouth and throat, etc. The treatment should be cooling the blood and nourishing the yin and nourishing the blood to extinguish the wind. The formula is Four Substance Soup combined with Zengyi Tang (increase the body’s water) soup plus reduction. Four Substance Soup should be used with caution in cases of yin deficiency and blood heat. For constipation caused by solid heat in Yangming, it is not suitable to use Zeng Yi Tang.
Attention, leukoderma pigmentosum has complex etiology, long course of disease, prolonged and recurrent, not easy to cure, it is recommended to standardize the treatment under the guidance of a physician, do not take medication without authorization. In addition, we should pay attention to avoid wind and cold, strengthen the exercise, enhance their own vitality, positive mood, avoid excessive anxiety, avoid eating spicy food, quit smoking and drinking, work and rest on time, work and rest, and so on.