Medicinals

shēng dì huáng / 生地黄 / 生地黃 / dried/fresh rehmannia [root];

Latin pharmacognostic name: Rehmanniae Radix Exsiccata seu Recens

Alternate English names: dried/fresh Chinese foxglove [root]

Alternate Chinese names: 大生地 dà shēng dì; 生地 shēng dì; 干地黄 gān shēng dì

Origin: Plant

Use: medicinal

Category: Heat-clearing agents / Heat-clearing blood-cooling agents

Properties: Sweet, bitter; cold.

Channel entry: heart, liver, and kidney channels.

Indications:

Dosage & Method:

Oral: 10–30g in decoctions; double the dose if the fresh root is used.

Warning:

Shēng dì huáng is cold and stagnating, so it is unsuitable for use in spleen vacuity and damp stagnation with abdominal fullness and sloppy stool.

Notes:

Fresh shēng dì huáng is sweet, bitter, and very cold in nature. It is weaker for nourishing yīn but is stronger for clearing heat and engendering liquid, as well as for cooling the blood. Fresh rehmannia juice (鲜生地汁 xiān shēng dì zhī), which is extracted by crushing the fresh root, is also used. This has the strongest liquid-engendering action of all forms. Charred shēng dì huáng (called 生地黄炭 shēng dì huáng tàn) may be used for stanching bleeding.

See also:

shēng dì huáng (生地黄 Rehmanniae Radix Exsiccata seu Recens, dried/fresh rehmannia [root];)

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