Cephalosporin adverse reaction recovery time can not be generalized, the specific situation needs to be based on the patient’s own physical fitness and the dosage of drugs to decide, usually 2-5 days. Cephalosporin is cephalosporin antibacterial and anti-inflammatory drugs, in taking cephalosporin antibacterial and anti-inflammatory drugs often appear allergy, fever, diarrhea, loss of appetite, nausea, dizziness and other adverse reactions. After taking the drug adverse reactions, if the patient’s own quality is strong, self-regulation ability is strong and take less drugs, the recovery time is as short as 2-3 days. However, if the patient’s own physical quality is poor, self-regulation ability is weak, and the dosage is high, the adverse reaction will be more serious, and the recovery time will be extended to 3-5 days. If you need to take cephalosporin antibacterial and anti-inflammatory drugs should be standardized under the guidance of a professional physician, and should not be used blindly or change the dosage privately. If adverse reactions occur, the drug should be stopped in time, go to the hospital for relevant examination and treatment, to avoid the impact on the health of the body.