Cefdinir is effective for pharyngitis caused by sensitive bacteria, but has no effect on pharyngitis caused by other reasons, and should be used according to medical advice. The commonly used dosage forms of Cefdinir are tablets, capsules, granules and so on. It can be used to treat infections caused by bacteria sensitive to cefdinir: such as pharyngitis, acute bronchitis, tonsillitis, pneumonia, otitis media, sinusitis, cystitis, pyelonephritis, adnexitis, intrauterine infections and so on. Therefore, this product is effective in pharyngitis caused by sensitive bacteria. Cefdinir adverse reactions can be seen aplastic anemia, neutropenia, diarrhea, nausea, abdominal pain, dry mouth, vaginitis, erythema multiforme. The drug is contraindicated in people with a previous history of shock caused by the components of the product, and it is used with caution in people who are allergic to penicillin and to cephalosporins. The cause of laryngitis is not only bacterial infection, but also viral, physical and chemical factors stimulation, etc. These factors cause, the use of Cefdinir has no therapeutic effect. Patients with laryngitis should seek medical attention in a timely manner, under the guidance of the doctor reasonable use of medication, cause-specific treatment.