Side effects of cefradine include nausea, vomiting, diarrhea, etc. Contraindications are people who are allergic to the product and others. It should be used in accordance with medical advice. The common dosage forms of Cefradine are capsules, granules, and injections. This product can be seen in the epigastric discomfort nausea, vomiting, diarrhea, pseudomembranous enteritis, eosinophilia, drug hemolysis, leukopenia and neutropenia, elevated blood urea nitrogen, elevated serum aminotransferase, bilirubin, hematuria, anaphylactic shock and other adverse reactions. Cefradin is contraindicated in people who are allergic to this product or other cephalosporins, people with a history of penicillin anaphylaxis. Cefradin is suitable for respiratory tract infections caused by sensitive bacteria, skin and soft tissue infections, genitourinary tract infections, etc. It should be used reasonably under the guidance of a doctor.