The main ingredient of Puerarin Injection is Puerarin. Indications: It can be used for the adjuvant treatment of coronary heart disease, angina pectoris, myocardial infarction, retinal arteriovenous obstruction, sudden deafness, etc. Dosage: Intravenous drip, 200-400mg each time, add into 5% glucose injection 500ml, intravenous drip, once a day, 10-20 days as a course, can be used continuously for 2-3 courses. Adverse reactions: Individual patients may experience temporary abdominal distension and nausea at the beginning of the drug, which will disappear on its own with continued use. A few patients may have skin rash, allergic asthma, etc. Occasionally, acute intravascular hemolysis is seen. Contraindications: Contraindicated in patients with severe hepatic and renal insufficiency, heart failure and other serious organic diseases; Contraindicated in patients with allergy or hypersensitivity to this drug.