What are the four Huai drugs?

The four Huai medicines are the specialties of Guhuaiqing House, which is now Jiaozuo, Henan Province. The four major Huai medicines are Dioscorea opposita, Achyranthes bidentata, Rehmannia glutinosa and Chrysanthemum. It is recorded in the ancient book Compendium of Materia Medica!

Among them, Dioscorea opposita is the first of the four drugs. The nickname of Chinese yam is iron stick yam.

Efficacy of yam: lowering blood pressure, blood lipid and blood sugar. Healthy spleen and stomach, anti-aging. It can also play a role in beauty.

Achyranthes bidentata has the functions of removing blood stasis, removing arthralgia, detoxifying, resisting cancer, diminishing inflammation and diuresis. Used for inflammatory urinary incontinence. ⑤ Nanning pharmacology: clearing away heat, promoting blood circulation and relieving pain.

Efficacy of Rehmannia glutinosa: Rehmannia glutinosa can be divided into fresh Rehmannia glutinosa, Rehmannia glutinosa and Rehmannia glutinosa. Fresh Rehmannia glutinosa: spindle-shaped or strip-shaped, with reddish-yellow surface, curved longitudinal wrinkles, bud marks, horizontal lenticels and irregular marks. Rehmannia glutinosa: Most of them are irregular blocks or rectangles, with an enlarged middle and slightly thinner ends, and some are small and long, slightly flat and twisted. Rehmannia glutinosa: It is a processed product of Rehmannia glutinosa, which is irregular fragments and fragments with different sizes and thicknesses. The surface is dark, shiny and sticky. Soft and tough, not easy to break, dark and shiny section. Odorless and sweet.

Rehmannia glutinosa: clearing away heat and promoting fluid production, cooling blood and stopping bleeding. It can be used for treating fever, yin injury, red tongue, polydipsia, macula, hematemesis, epistaxis, and sore throat.

Rehmannia glutinosa: clearing heat and cooling blood, nourishing yin and promoting fluid production. Can be used for treating fever, red tongue, polydipsia, internal heat due to yin deficiency, asthenia of bone steaming, thirst quenching due to internal heat, hematemesis, epistaxis, and macula.

Rehmannia glutinosa: nourishing yin and blood, filling essence and marrow. Can be used for treating yin deficiency of liver and kidney, soreness and weakness of waist and knees, hot flashes due to bone steaming, night sweats and nocturnal emission, thirst quenching due to internal heat, blood deficiency and sallow, palpitation, irregular menstruation, metrorrhagia and bleeding, dizziness and tinnitus, and premature graying of hair and beard.