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Alternate English names: Welsh onion white Japanese bunching onion white

Alternate Chinese names: 葱茎白 cōng jīng bái; 葱白头 cōng bái tóu

Kingdom: Plant

Origin in PRC Pharmacopoeia: Allium fistulosum L. (PRC Pharmacopoeia)

Origin in unofficial sources: Allium fistulosum L.

Use: Medicinal

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

Properties: Acrid; warm.

Channel entry: Lung and stomach channels.

Actions and indications:

• Promotes sweating and resolves the exterior: Mild patterns of common cold caused by external contraction of wind-cold.
• Disperses cold and frees yáng: Treats exuberant yīn repelling yáng. In this condition, exuberant yīn cold is reflected in reversal cold of the limbs, a faint pulse, and diarrhea. The repulsion of yáng is characterized by a red facial complexion, vexation and agitation.
• Additional actions: Cōng bái when applied topically to the breasts also disperses binds and frees the network vessels to promote lactation in the treatment of breast milk stoppage with painful distended breasts.

Dosage and method: Oral: 3–10g in decoctions.

Production area: Widely cultivated in and outside China.

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