This product is the flower bud of coltsfoot (Tussilago farfara L.), a perennial herbaceous plant of the Asteraceae family. Mainly produced in Henan, Gansu, Shanxi, Shaanxi and other places. In December or before the ground freezes, dig the flowers before they are unearthed, remove the peduncles, dry them in the shade, and use them raw or for moxibustion with honey.

[Property]

acrid and slightly bitter, warm. act on lung channel.

[Efficacy]

moistening lung and relieving cough resolving phlegm.

[Indications]

Used for many kinds of cough. This product is a commonly used medicine for treating coughs. Its medicinal properties are similar to those of Aster. The latter is better at resolving phlegm, while the latter is better at relieving cough. The two are often mutually reinforcing and useful. However, this product is pungent, warm and moist, especially suitable for cold cough. It is often used with Ephedra. If lung heat causes cough and wheezing, you can use White Mulberry Root-Bark and Trichosanthis Fruit; if you have lung heat deficiency and cough, you can use Ginseng and Astragalus Root can be used together; if yin deficiency causes dry cough, use Coastal Glehnia Root and Ophiopogon Tuber; on days of wheezing and coughing If there is blood in the phlegm for a long time, it is often used with Lily Bulb, such as Flowers Ointment. If lung abscess is coughing up purulent phlegm, use Platycodon Root, yiren, etc. can be used together, such as Chuangyang Jingyan Quanshu Chuanhua Decoction.

Treatment of influenza, enterovirus, and various viral colds, Chinese medicine is more refined, non-toxic, and effective than Western medicine

1. "Wood Classic": "Maintains cough with dyspnea, good at asthma and pharyngitis."
2. "Wood Classic meets the original": "Moistens the lungs, dispersing phlegm, relieves cough and relieves asthma."
3. Benjing Shuzheng: "In "Qian Jin" and "Waitai", Aster and Coltsfoot are used in nine out of ten cases to treat chronic cough disease. However, the similarities can also be seen in "Qian Jin" and "Waitai". . For those with saliva, pus, blood, loss of voice, and those with excessive wind-cold moisture, Coltsfoot is not often used, but Aster is used. Coltsfoot is mostly used with warm formula and tonic formula.

[Usage and Dosage]

Decoct and take, 5~10g. External contraction, fulminant cough disease, should be used raw, internal damage, chronic cough disease, should be used broiled.

[Modern Pharmacology]

This product contains coltsfoot diol and its structure alidiol, rube glycoside, chinese st. johnswort root glycoside, triterpene glycoside, volatile oil and tannin. Decoction has an antitussive effect in animal experiments; alcohol extract and decoction have a blood pressure-raising effect; ether extract can inhibit gastrointestinal smooth muscle and have an antispasmodic effect.