In the majority of cases of pharyngitis, the fever caused by pharyngitis in children resolves within 7 days of the onset of the disease. Because the cause of pharyngitis in children is mainly caused by a variety of pathogenic bacteria, such as children infected with viruses, bacteria or Mycoplasma pneumoniae, etc., these pathogenic bacteria are often through the appropriate medication, the child’s infection is under control, the inflammation of the pharynx caused by the fever, sore throat will slowly get better. If a child is infected with influenza A virus or influenza B virus, which causes inflammation of the throat and fever, the child can be treated with oseltamivir granules, and the fever will usually improve within 7 days after using the medicine.