The efficacy of Chaihu Injection is to clear away heat and relieve symptoms, and is mainly used for treating fever caused by colds and malaria. Chaihu Injection belongs to the category of proprietary Chinese medicines and is mainly composed of Chaihu. It has the efficacy of clearing heat and dispersing superficial evils (evils on the surface of the muscle), and is used for the treatment of fever caused by colds, influenza and malaria. Chaihu functions to conciliate and reduce fever, and to disperse the muscle and relieve depression, and is widely used in external infections and internal injuries. Adverse reactions of Chaihu Injection include skin flushing or pallor, rash, itching, chills, fever, pain, malaise, dyspnea, headache and so on. Contraindications There is a history of serious adverse reactions to the product is prohibited, children are prohibited. Precautions are that this product should be used in medical institutions with rescue conditions; this product is antipyretic and antidotal, and should not be used in people without fever; use with caution in people with a family history of allergy. Chinese medicine or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the evidence, individuals should not be used blindly, so as not to cause adverse consequences.