Cefaclor Tablets can generally treat pneumonia of certain bacterial infections, but due to the variability of individuals as well as the types of pathogens, it is impossible to generalize. Generally if the patient belongs to the pneumonia caused by bacterial infection, you can choose to use cefaclor tablets with certain efficacy. But for mycoplasma, viral infection caused by pneumonia, take this drug is not effective. Patients taking cefaclor tablets, due to different personal constitution, the efficacy of the drug also has differences, can not guarantee that all patients using cefaclor tablets can treat pneumonia. Cefaclor tablets are antibiotic drugs that can treat respiratory tract infections caused by sensitive bacteria. Some patients may experience adverse reactions such as diarrhea, nausea and dizziness during the use of the drug. Especially those who are allergic to cephalosporin antibiotics, or bromhexine need to contraindicate the use of the drug. Pneumonia patients taking cefaclor tablets, need to combine their own situation, as well as personal needs, ask the attending physician’s guidance, do not unauthorized use of drugs, so as not to damage the health.