If your child has a sore throat and fever, it’s best to treat the symptoms first by giving ibuprofen suspension orally or applying acetaminophen to reduce fever, and letting your child drink more water to help reduce the fever. At the same time, take your child to the hospital to have blood tests done to determine whether the throat swelling is a bacterial infection or a viral infection. If the swelling is caused by a bacterial infection, you can apply cefaclor dry suspension, which can effectively reduce the swelling of the child. If it is a viral infection, you can apply oseltamivir phosphate granules antiviral, normally with the use of drugs for 3-5 days the child’s throat swelling, fever should be significantly improved. In life, let the child eat more fresh vegetables, fruits, more exercise to improve the immune system.