If patients want to prevent the adverse reactions of this drug, it is recommended that patients must read the instructions in detail before using the drug, and be guided according to the instructions of the drug, which can then be used regularly. At the same time, it is recommended that patients in the purchase of drugs, must be a detailed consultation with the doctor or pharmacist and so on, so that can effectively prevent the adverse effects of the drug. For example, some drugs may need to be taken before or after meals, you should carefully read the instructions, you can clarify this situation, you can effectively prevent the adverse effects of drugs. In addition, some drugs need to be used in combination, in this case can effectively reduce the adverse effects of drugs, as well as drug resistance, to achieve the purpose of effective treatment of the disease. At the same time, it is recommended that if the patient has a disease, must go to the hospital for a detailed examination, after a clear diagnosis, under the guidance of the doctor for medication. Avoid purchasing drugs to take on your own based on experience, which may not only fail to achieve an effective therapeutic effect, but may also lead to adverse reactions to the drug. Therefore, it is recommended that patients must be careful before using drugs, after a clear diagnosis, and then according to the specific situation, the specific choice of drugs.