It is not recommended to take it for a long period of time, because long-term use or too much dosage may cause some side effects. Side effects such as dizziness, headache, nausea, drowsiness, etc. may occur during taking the medicine, and most of them can be relieved by themselves after stopping the medicine. It can reduce the platelet coagulation function and blood viscosity, which can activate blood circulation, dilate cerebral blood vessels and promote increased blood flow to the brain, and may cause bleeding in the heart and brain vessels and increase the burden on the liver and kidney. Therefore, if you need to take hemosiderin to treat your disease, you must take it under the guidance of your doctor, and you should also test your blood clotting function every month to avoid serious complications, such as clotting dysfunction and bleeding in the brain. A small number of patients may also be allergic to the ingredients of Hemceton and should stop taking the drug and take relevant treatment in time. The side effects of hemosiderin include fever, chest tightness, shortness of breath, palpitations, nausea, vomiting, etc. In severe cases, anaphylaxis and asphyxia may also occur, manifested as difficulty in breathing, blue lips, blurred consciousness, pale face, etc. Once these symptoms occur, the drug needs to be stopped immediately and medical attention is sought promptly. In addition, it is not recommended to use haemosiderin alone to treat or prevent disease attacks, but to use a combination of drugs under the guidance of a doctor. During the period of medication, avoid eating greasy and spicy food, prohibit drinking and smoking, and pay attention to keep a relaxed mood and face the disease with a positive attitude.