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Unionis Concha

Freshwater mussel shell

土牡蛎 〔土牡蠣〕 tǔ mǔ lì

Alternate English names: unio shell

Kingdom: Animal

Origin in unofficial sources: Unio sp.

Use: Medicinal

Properties: Salty and astringent; slightly cold; nontoxic.

Channel entry: Liver and kidney channels.

Actions and indications: Secures essence and constrains sweating; disperses binds and softens hardness. Treats night sweating; seminal emission; flooding and spotting; vaginal discharge; scrofula; dizziness; vexation and agitation.

Dosage and method: Oral: Decoct (9–18g) or use in pills and powders.

Warnings: Contraindicated in spleen vacuity cold.

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