Xuedan is a traditional Chinese medicine, which has the functions of clearing away heat and toxic materials, invigorating stomach and relieving pain. Instruction: Usage and dosage: 2 ~ 3 yuan, 2 ~ 4 minutes after decoction or grinding, or oral 10 ~ 30 mg, with appropriate amount for external use.

Efficacy of Xuedan: Xuedan has antipyretic effect. Intravenous injection of Xuedan A 40mg/kg (intraperitoneal injection) has a slight antipyretic effect on the fever caused by injection of typhoid and paratyphoid A mixed vaccine in rabbits, but has no obvious effect on normal body temperature and non-bacterial fever. When the dose is 20 ~ 40 mg/kg, conduction block occurs and the heart stops beating at last. Xuedan has bacteriostatic effect: Xuedan and Xuedan saponin have inhibitory effects on Shigella flexneri, Salmonella typhi and Salmonella choleraesuis in vitro.

Clinically, it is also used to treat bacterial dysentery, acute enteritis, tonsillitis and other inflammations, and has achieved good results. Xuedan has an effect on cardiovascular system: total saponins can increase coronary flow and reduce myocardial oxygen consumption in mice. It has antihypertensive effect on anesthetized dogs. Clinically, Dioscorea nipponica Makino and Flos Sophorae Immaturus have remarkable curative effect on coronary heart disease. The efficacy and function of Xuedan are very remarkable. Of course, because it is slightly toxic, it is not appropriate to take it in excess. Be sure to follow the doctor's advice, or you may do harm to your health.