What are the most effective herbal remedies for itchy skin?

There is no effective herbal medicine for itchy skin. Chinese medicine believes that itchy skin is caused by blood deficiency and wind dryness, etc. It can be treated under the guidance of physicians by taking the addition and subtraction of Wind Dispersant, the addition and subtraction of Gentian Liver Laxative Soup and the addition and subtraction of Angelica Drinking Tonic. 1. Eliminate wind: composed of Angelica sinensis, Radix Rehmanniae Praeparata, Radix et Rhizoma Glycyrrhizae, Radix et Rhizoma Glycyrrhizae Praeparatae, Radix et Rhizoma Mucilaginae and other medicines, it has the efficacy of dispersing wind and removing dampness, clearing heat and nourishing the blood, and can be used for itchy skin, rash with red color and other symptoms. If the rubella is cold, it is not suitable to take this formula. 2. Gentian and Liver Tang: composed of gentian, scutellaria, gardenia, zedoaria, etc. It has the efficacy of clearing the actual fire of liver and gallbladder, clearing the damp-heat of liver and gallbladder (damp-heat evil qi is accumulated in the liver and gallbladder), and can be used for itchy skin caused by damp-heat of liver meridian (the liver meridian feels the evil qi of damp-heat) injected into the skin. This formula should not be used in cases of deficiency and coldness of spleen and stomach (spleen and stomach are weak and cold) and deficiency of yin and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi). 3. Angelica Drink: composed of Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba, Radix Rehmanniae Alba, Radix et Rhizoma Dioscoreae Praeparata and other medicines, it has the efficacy of nourishing Blood and calming the Liver (calming Liver-Wind by replenishing Liver-Blood), dispelling Wind and relieving itching (relieving itching by dispelling Wind-Evil that invades the muscle surface), and can be used for itchy skin. The adverse reactions and contraindications of this formula are not known. Specific medication should be administered under the guidance of a physician.