Pungent and warm
Lung and kidney
1. To dispel cold and stop pain; 2. To warm the lungs and resolve phlegm-damp; 3. To relieve nasal congestion
1. Headache, toothache and obstruction pain: a ) wind-cold headache-asarum herb (Xi Xin ) is used with Chuanxing rhizome(Chuan Xiong )in the formula Chuanxiong Cha Tiao San; b) wind-cold toothache-asarum herb (Xixin) is used with dahurian angelica root (Bai Zhi ); c) toothache due to excessive heat in the stomach-Asarum herb (Xixin) is used with Notopterygium root (Qiang Huo ), Ledebouriella root (Fangfeing) and cinnamon twigs (Gui Zhi ).2. Wind-cold exterior syndromes manifested as chills, fever, headache and general pain. Asarum herb (Xixin) is used with Notoptery gium root (Qianghuo) and Ledebouriella root (Fang Feng ) in the formula Jiuwei (CV15) Luo-Connecting Point  qianghuo Tang.3. Cold phlegm fluid attacking the lungs manifested as asthma and cough with profuse, clear sputum. Asarum herb (Xixin) is used with Ephedra (Ma Huang ) and Dried ginger (Gan Jiang ) in the formula xiao qinglong Tang.4. Rhinorrhea manifested as copiously running nose, nasal congestion and headache. Asarum herb (Xinyi) and Mentha (Bo He ).
This herb is contraindicated in headache due to deficient yin and hyperactivity of yang, or cough caused by heat in the lungs.