Cephalosporin antimicrobials need to be used for a period of time determined by the patient’s specific condition, usually around 5 to 7 days, and the medication should be adjusted under the guidance of a doctor if the infection is not significantly controlled. Cephalosporins belong to the β-lactam class of antibacterial drugs, mainly used for the treatment of sensitive bacterial infections caused by diseases, such as pneumonia, bronchitis, bronchitis, pharyngitis and so on. Usually the drug is recommended to be used for 5-7 days to assess the infection control, if no significant improvement is seen, it is recommended to replace or combine with other antibacterial drugs under the guidance of a doctor in a timely manner. At the same time, blood culture or sputum culture, as well as drug sensitivity test should be carried out in a timely manner, so as to select sensitive antibacterial drugs. Vomiting, diarrhea and other gastrointestinal reactions may occur with the use of this drug, which can often be relieved after stopping the drug. It should be noted that long-term use of cephalosporins may lead to the development of drug-resistant bacteria. They are contraindicated in people who are allergic to these drugs and their components. You should not drink alcohol or alcoholic beverages while taking these medicines. Cephalosporin antibacterial drugs are determined by the doctor in accordance with the patient’s specific situation, the application of drugs need to strictly follow the doctor’s instructions, in the process of taking medication, feel uncomfortable, you should immediately stop the drug and consult a doctor. In order to avoid adverse reactions due to incorrect dosage of the drug.