What is the medicinal effect of Rhizoma Coptidis?

Explained as perennial herbs, it is divided into Coptis chinensis, Coptis triangularis, Coptis Emei and Coptis yunnanensis. Both roots and leaves can be used as medicine.

Collect and process plants excavated in autumn for 5-7 years, remove stems, leaves and fibrous roots, and dry them in the sun or dry them in the sun. Slice, raw or stir-fried, stir-fried with ginger, stir-fried with wine, and stir-fried with Evodia rutaecarpa water.

Coptidis Rhizoma and Fructus Toosendan are bitter, cold and nontoxic.

Efficacy is mainly used for clearing heat and eliminating dampness, damp-heat in middle energizer, damp-heat diarrhea and damp-heat jaundice; Fever, irritability, hyperactivity of heart fire, vomiting due to stomach heat, rash due to blood heat, carbuncle, swelling and sore.

The attached prescription is used for damp-heat syndrome, characterized by damp-heat, nausea and vomiting, yellow and greasy tongue coating, and is compatible with Magnolia officinalis, Pinellia ternata and Acorus gramineus. , such as continuous drinking; Has good curative effect on diarrhea and dysentery caused by damp-heat in large intestine. For example, this product can be used for diarrhea and dysentery if it is used only for Qianjinfang and defecation. If the illness is serious or complicated with other symptoms, it should be combined with compound Chinese medicine. If it is used for diarrhea and fever, it is often combined with Scutellaria baicalensis Georgi and Pueraria lobata to enhance its antidiarrheal and antipyretic effects, such as Gegen Qinlian Decoction; For dysentery, it can be used with Radix Aucklandiae to regulate qi and guide stagnation, so that it can be eliminated by itself, such as Xianglian Pill.

This product is an important drug for purging fire and detoxifying, and it is good at clearing heart and stomach. Used for fever, excess heat, high fever, irritability and even delirium. It is often combined with Scutellaria baicalensis Georgi and Shan Zhi, such as Huanglian Jiedu Decoction. It can be used with bamboo leaves and mountain masts for those who are restless and upset. For insomnia caused by yin deficiency and excessive fire, Ejiao, Radix Paeoniae Alba and Scutellariae Radix are selected, such as Huanglian Ejiao Decoction; For vomiting caused by liver fire or stomach heat, it can be used with Evodia rutaecarpa, namely Zuojin Pill, or with Pinellia ternata and bamboo shavings, all of which can clear away heat, reduce adverse reactions and stop vomiting. It can be used for hematemesis and epistaxis caused by excessive internal heat and forced blood. It can be used with Radix et Rhizoma Rhei and Scutellariae to cool blood and stop bleeding. For example, Xiexin decoction is used to treat carbuncle, sore, poison, eye, ear and month pain, and it has good effects both orally and externally, such as equivalent to Scutellaria baicalensis Georgi, Gardenia jasminoides Ellis and Forsythia suspensa. Another example is Rhizoma Coptidis decoction, which can cure eye swelling and pain. External application with dried alum can cure furuncle and furuncle in ear.

It can be used to treat excessive stomach fire, satisfy hunger and quench thirst, but it should be combined with heat-clearing and fluid-promoting herbs such as Trichosanthis Radix, Radix Rehmanniae and Rhizoma Anemarrhenae.