Rhizoma Chuanxiong (Chuan Xiong 川芎)

Efficacies: Reinforces fire and strengthens yang; returns fire to its origin; disperses cold to alleviate pain; warn meridians and unblock collaterals

Properties: Pungent, sweet in flavor, extremely hot in nature; relates to kidney, spleen, heart and liver meridians

Dosage: 3-9g

Precautions: Be cautious for those with reddish tongue and dryness of the mouth. Avoid in cases of excessive menstruation and with conditions with bleeding