What are the characteristics of Artemisia annua?

Bitter, pungent and cold in nature. Into the liver and gallbladder.

Efficacy indication

1. Eliminating deficiency-heat is used in the late stage of fever, with heat accumulating in yin, night heat cooling early, fever retreating without sweat, dry mouth and red tongue. It is often combined with Radix Rehmanniae, Carapax Trionycis and Rhizoma Anemarrhenae, such as Artemisia annua and Carapax Trionycis Decoction. For yin deficiency, fatigue, bone steaming, emaciation, flushing of lips and cheeks, night sweats, fever of hands and feet, or cough with blood in phlegm. It is often used with Gentiana macrophylla, Anemarrhena asphodeloides, Cortex Lycii and Bulbus Fritillariae Cirrhosae.

2. Clearing summer heat is used for exogenous summer heat, fever without sweat, chest tightness, discomfort, nausea and vomiting, dizziness, short and red urine, and is often used with watermelon, lotus leaf and mung bean.

3. Malaria prevention and treatment is used for malaria, periodic attacks of cold and heat, bitter taste and alcoholism, thirst and vomiting. It is often combined with Scutellaria baicalensis Georgi, Pinellia ternata and Zhuru, such as Haoqin Qingdan Decoction.

4. Cooling blood to stop bleeding is used for epistaxis, which can be taken with fresh juice and cold boiled water; For purpura, it can be combined with Cimicifuga rhizome, Carapax Trionycis, Angelica sinensis and Radix Rehmanniae.

In addition, it can also treat skin itching, scabies, lacquer sores, erysipelas, fire and water burns and so on.

Dosage and usage: 3 ~ 10g, large dosage up to 30g, decocted in water, or freshly squeezed juice. It should not be fried for a long time.

Loose stool due to spleen deficiency is forbidden, and it should be used with caution for people with excessive sweating.

It is said that Artemisia annua is bitter, cold and fragrant, and enters the liver and gallbladder. Bitter cold can clear away heat and fragrance, which is better than liver and gallbladder blood heat, so that yin can be divided into heat and heat evil can be discharged from yin, which is a good medicine for clearing away heat, cooling blood and relieving steaming. Therefore, whatever heat comes from yin is an important medicine, whether it is fever caused by warming pathogenic factors and damaging yin or bone steaming fatigue. Because it can clear fragrance, relieve pain, dispel summer heat and cure malaria, it is also often used for exogenous fever and malaria in summer. Although its nature is bitter and cold, it is fragrant without hurting the stomach, which is most suitable for blood deficiency and heat syndrome.

Drug identification of Artemisia annua and Lycium barbarum bark can clear away heat and cool blood and sweat. However, Artemisia annua is bitter and cold, leaning towards the liver and gallbladder meridian, clearing the heat of liver and gallbladder and the heat of yin and blood, so that the heat of yin can be exposed, and it is good at relieving summer heat and eliminating malaria, and treating yin, blood and liver and gallbladder; Cortex Lycii is sweet, slightly cold, sweet and cold, and moist. Tend to enter the lung, liver and kidney meridians, benefit yin and clear lung heat, and treat yin, blood, lung, liver and kidney except sweating and bone steaming.

Artemisia annua and Bupleurum chinense are in DC. Entering the liver and gallbladder meridians can be used to treat malaria and cold-heat syndrome. The difference is Bupleurum DC. It is superior to soothing the liver and relieving depression, and can promote yang and damage yin. Artemisia annua is cool and fragrant, good at relieving summer heat and not hurting yin. It is often used for warming pathogen, summer pathogen hurting yin and fever, or yin deficiency and bone steaming.

Both Artemisia annua and Carapax Trionycis are clear of deficiency and heat, but Carapax Trionycis is good at nourishing yin, softening and resolving hard mass; Artemisia annua has no effect of nourishing yin, but clearing deficiency and heat is better than turtle shell.