Actions:

• Releases the exterior and stops wind: for common cold with headache, bodyache, and stiff neck.
• Dispels wind, cold, and damp conditions: for exterior wind damp painful obstruction, cold and dampness.
• Stops spasms associated with wind: used with other herbs to stop trembling. Also used for wind due to Liver/Spleen disharmony resulting in recurrent, painful diarrhea with blood in the stool.
• Use for migraine headaches.

Contraindications:

• Caution in patients with yin and blood Deficiency causing spasms or heat. Traditionally not used with Rhizoma Zingiberis Officinalis (gan jiang), Rhizoma et Radix Veratri (li lu), and Rhizoma Dioscoreae Hypoglaucae (bei xie).

Dosage:

1. 3-9g. Use the root.