What are the functions and taboos of raw rhubarb?

1. Dryness and yellowing: Rhubarb is a bitter and cold product, which is beneficial to dryness and yellowing when it enters the stomach and intestines. It can be used in combination with other traditional Chinese medicines to treat dysentery caused by damp-heat retention in intestine, jaundice and hematuria caused by damp-heat retention in liver and gallbladder.

2, purging heat and relaxing bowels: it has the effect of purging heat and relaxing bowels, and is used for dry stool, diarrhea due to stagnation, heat constipation and yellow fur due to excess heat. Compatible with mirabilite, Magnolia Officinalis, Fructus Aurantii Immaturus, etc.

3, detoxification and carbuncle elimination: detoxification and carbuncle elimination effect, used for excessive heat, forced blood overflow, and sudden pain in the eyes, heat toxic sores and furuncle. This product is used with Coptidis Rhizoma, Scutellariae Radix, Cortex Moutan and Radix Paeoniae Rubra.

4, the effect of promoting blood circulation and dredging menstruation: used for postpartum abdominal pain, blood stasis, menstrual disorders, as well as traumatic injury, blood stasis pain. When used, it must be combined with drugs for promoting blood circulation and removing blood stasis, such as peach kernel, red peony root and safflower. In addition, rhubarb can clear damp and heat, and it is used to relieve jaundice. It is often used with herbs such as Herba Artemisiae Scopariae and Gardenia. If this product is ground into powder, it can also be used as external medicine for burns and heat toxic ulcers, with the effect of clearing away heat and toxic materials.

5. Taboos of rhubarb: all symptoms, blood deficiency and qi deficiency, spleen and stomach deficiency and cold, no excess heat, blood stasis and blood stasis, should be used with caution before and after delivery. Materia Medica Yan Hui: Rhubarb should not be used lightly for qi deficiency, stomach cold and blood deficiency, pregnancy and postpartum, chronic illness and the elderly. "Ben Feng Jingyuan": kidney deficiency, qi deficiency, yin deficiency, gangrene, etc., should not be misused.