Bitter, pungent and cold
Liver, gall bladder and kidney
1. To reduce heat caused by deficient yin; 2. To cool blood and release summer heat; 3. To relieve malaria
1. Malaria. Sweet wormwood (Qing Hao) is used alone or with Scutellaria root (Huang Qin) and Pinellia tuber (Ban Xia) in the formula Hao Qin Qingdan Tang.2. Late stage of febrile disease, with pathogenic heat damaging yin and body fluids, manifested as fever, fever at night, and subsiding in the morning without presence of sweating, red tongue proper with scanty coating and thready, rapid pulse. Sweet wormwood (Qinghao) is used with Turtle shell (Bie Jia), Moutan bark (Mu Dan Pi) and Fresh rehmannia root (Sheng Di Huang) in the formula Qinghoa Biejia Tang. 3. Heat signs due to deficient yin manifested as afternoon fever and night sweating. Sweet wormwood (Qinghao) is used with Large-leaf gentian root (Qin Jiao), Turtle shell (Biejia) and Anemarrhena rhizome (Zhi Mu).4. Invasion by summer-heat manifested as fever, dizziness and headache. Sweet wormwood (Qinghao) is used with Mung bean (Ludou) and Lotus leaf (He Ye).
This herb should not be boiled for a long time.