Horsetail grass, also known as dogwood, is mainly used to cool the blood and remove toxins, relieve heat and dampness.
Horsetail grass is the whole grass or root of the grass plant atrazine dogwood. Its flavor is light; cool in nature. Attribute to the spleen meridian. It has the effect of clearing the liver and brightening the eyes, relieving heat and dampness.
It is used for eye redness and swelling pain, jaundice, carbuncle, swollen sores and ringworm, pediatric chancre (a kind of children’s chronic disease, manifested as emaciation, abnormal diet, abdominal distension, and thinning and yellowing of hair).
Dogwood has the effect of cooling the blood and detoxifying the toxin, so it can be used for mosquito bites, traumatic wounds, canker sores (a kind of poisonous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease), ringworm of the face and so on.
The drug should be used in accordance with a certain amount of standardized use under the guidance of a professional physician.