Forsythia has the efficacy of clearing heat and removing toxins (removing heat and toxins from the body), subduing swellings, dispersing lumps, and evacuating wind-heat; it is mainly used in carbuncle and swollen toxins, scrofula, and the first signs of warm diseases; the side-effects are not clear yet. Forsythia is bitter and slightly cold in nature, with the efficacy of clearing away heat and removing toxins, subduing swelling and dispersing knots, and evacuating wind-heat. It is mainly used for carbuncle (a kind of poisonous sores, acute suppurative diseases occurring on the body surface, limbs and internal organs), scrofula and phlegm nuclei (lumps swollen up like nuclei under the skin), mammary carbuncle, wind-heat and cold, the first signs of warm disease, high fever and thirst, fainting and spotting, feverish gonorrhea (burning and tingling pain in urination, accompanied by frequent urination and urgent urination, and discomfort of abdominal traction), astringent pain, etc. The adverse effects of Lian Qiao are not clear. Adverse effects of Lianchuan are not clear. Spleen and stomach weakness, carbuncle gangrene has been ulcerated, pus dilute color pale, Qi deficiency and fever should not be taken; the product is prohibited for allergy. If there is a need for medication or combined with other drugs, it should be used under the guidance of a specialist, and self-medication is not recommended to avoid adverse consequences.