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Rehmannia and Lycium Root Bark Decoction
两地汤 〔兩地湯〕liǎng dì tāng
Source: Fù Qīng Zhǔ Nǚ Kē 傅青主女科
Ingredients:
- Shēng dì huáng (生地黄 Rehmanniae Radix Exsiccata seu Recens, dried/fresh rehmannia [root]) 30g
- Dì gǔ pí (地骨皮 Lycii Cortex, lycium bark) 9g
- Xuán shēn (玄参 Scrophulariae Radix, scrophularia [root]) 15g
- Bái sháo (白芍 Paeoniae Radix Alba, white peony [root]) 15g
- Mài dōng (麦冬 Ophiopogonis Radix, ophiopogon [root]) 9g
- ē jiāo (阿胶 Asini Corii Colla, ass hide glue) 12g
Action: Nourishes kidney yīn; clears vacuity heat.
Indication: Advanced menstruation (early periods) due to kidney yīn depletion and vacuity fire with scant, sticky, deep red menstrual discharge, tidal reddening of the cheeks,
Category:
Method: Decoct with water.
Rationale: Shēng dì huáng is a sweet cold moist agent that not only nourishes yīn and engenders liquid but also clears heat and cools the blood. Because it treats both root and tip, it is used as in large quantities as the sovereign agent. Xuán shēn and Mài dōng enrich yīn and invigorate water. Bái sháo and ē jiāo nourish the blood and enrich humor. These four agents together supplement yīn insufficiency. Dì gǔ pí clears kidney and liver vacuity heat. Nourishing yīn is the chief action, which is supported by clearing heat.
Similar: Qīng jīng tāng (sǎn) (清经汤（散） Channel-Clearing (Menses-Clearing) Decoction (Powder))
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