Proprietary Chinese medicines for treating syncope (a condition caused by an exogenous pathogen invading the syncope meridian) include Wu Mei Wan (乌梅丸), Si Yi San (四逆散), and so on. They should be used under the supervision of a physician. Wu Mei Pill is composed of Wu Mei meat, pepper, fine Xin, Huang Lian, Huang Bai and dry ginger. It has the effect of easing the liver and regulating the middle, clearing the upper and warming the lower. It is used in treating ascariasis, prolonged dysentery, syncopal headache (headache caused by disease evils invading the syncopal meridian), abdominal pain and dysentery, headache at the top of the head (top of the head), which occurs and stops at the same time, restlessness, vomiting and coldness of the hands and feet. Pregnant women are forbidden to take it. Si Reverse San is composed of Chai Hu, Citrus aurantium dulcis (fried in bran), Paeonia lactiflora, and Glycyrrhiza glabra. It has the efficacy of dispersing heat, dredging the liver and regulating the spleen. It is used in treating fever with no warmth in the hands and feet, epigastric (abdominal) dystocia (pain in the area of coercion and ribs), dysentery and heaviness. If there is any discomfort, prompt medical attention is recommended. If medication is needed, it should be diagnosed by a doctor and standardized treatment should be prescribed by a doctor.