The full name of QK Fibrinolytic Enzyme is Zenfu QK Nattokinase Tablets, which has not been approved by the state as a drug and belongs to a kind of food, which can not be used to treat diseases, and may have adverse effects such as coagulation disorders if used. After checking, Zenfu QK Nattokinase does not belong to the state-approved drugs, its effectiveness in treating diseases has not been checked by the relevant state departments, and currently only belongs to a kind of food, which can not be used to treat diseases, and there is no such thing as the side effects of drugs. In general, drugs with fibrinolytic effect will have the adverse reaction of causing coagulation disorders, there may also be skin rashes, itching and other allergic reactions, for the presence of bleeding in the body can not use this type of drug. Zenfu QK Nattokinase may also have the above side effects as its efficacy is not certain, or it may have more serious adverse effects. When sick need to go to the hospital in a timely manner, under the guidance of the doctor for formal treatment, rational choice of drugs, avoid unauthorized use of drugs, but also do not take food as medicine to treat the disease, to prevent the adverse consequences.