What are the effects of old man grass?

Few people have heard of old man grass. It is generally common in the Northeast. Because it is bitter, few people use it, but old man grass has the effect of clearing heat, cooling blood, and nourishing the kidneys. It is said that it has a good curative effect on nephritis and frequent hematuria, so it is usually injected and used by traditional Chinese medicine practitioners.

[Source] Handbook of Commonly Used Chinese Herbal Medicines in Northeast China

【Pinyin name】Lǎo Tóu Cǎo

[Alias] Small spear fragrant mugwort (Handbook of Commonly Used Chinese Herbal Medicines in Qinghai), Old man mugwort (Handbook of Commonly Used Chinese Herbal Medicines in Heilongjiang).

[Source] The whole herb of Edelweiss of the Asteraceae family. Harvest in June-July, wash, remove the bark of the remaining branches and leaves and roots, and dry them in the sun.

[Nature and flavor] "Handbook of Commonly Used Chinese Herbal Medicines in Northeast China": slightly bitter, cold.

【Function and indications】

① "Handbook of Commonly Used Chinese Herbal Medicines in Northeast China": Clears heat and cools blood, benefits the kidneys and promotes diuresis. Treat acute nephritis and hematuria.

② "Handbook of Commonly Used Chinese Herbal Medicines in the North": clears heat and cools blood, reduces inflammation and promotes diuresis. It is used to treat acute and chronic nephritis and is effective in eliminating proteinuria and hematuria.

[Usage and Dosage] For oral use: decoct in water, 3 to 4 qian.

[Additional prescription] To treat nephritis: Boil one or two grams of fireweed in water and three eggs, then eat it. (Handbook of Commonly Used Chinese Herbal Medicines in Heilongjiang)

【Excerpt】《*Dictionary》