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Alternate English names: scouring rush

Alternate Chinese names: 锉草 cuò cǎo; 节节草 jié jié cǎo; 节骨草 jié gǔ cǎo; 擦草 cā cǎo; 无心草 wú xīn cǎo; 木贼草 mù zéi cǎo

Kingdom: Plant

Origin in PRC Pharmacopoeia: Equisetum hiemale L. (PRC Pharmacopoeia)

Origin in unofficial sources: Equisetum hiemale L.

Use: Medicinal

Category: Exterior-resolving agents / Cool acrid exterior-resolving agents

Properties: Acrid, bitter; slightly cold.

Channel entry: Lung and liver channels.

Actions and indications:

• Disperses wind-heat; brightens the eyes and abates screens: Red eyes, profuse tearing, and eye screens, due to wind-heat or liver heat.
• Stanches bleeding: Bloody stool; bleeding hemorrhoids.

Dosage and method: Oral: 6–10g in decoctions.

Quality: Plants with thick green stems unbroken at the nodes are best.

Production area: Shǎnxī (Shaanxi) and Jílín.

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