What should I do if my child has a high fever of 39 degrees with the New Crown vaccine?

The child to play the new crown vaccine fever of 39 degrees, may be due to infection of bacteria, viruses or allergies, need to deal with the original disease as soon as possible, and then reasonable cooling, including physical cooling, medication cooling, etc..
1. Bacterial infection: If the fever is caused by bacterial infection after vaccination, oral antibacterial drugs should be taken, including cefixime, cefaclor, etc.; and for the high fever of 39 degrees need to be orally ibuprofen suspension, acetaminophen, if the temperature continues to increase, the effect of oral medication is not effective, you can consider the treatment of intravenous drip.
2. Viral infection: Oral antiviral drugs, such as ribavirin, should be taken when infected with viruses. It is recommended to drink more water, apply ice packs and take baths when having fever, and then take ibuprofen and acetaminophen orally to lower the temperature.
3. Allergy: If an allergic reaction is caused by vaccination, oral antihistamines such as cetirizine and loratadine can be taken to reduce the fever. Acetaminophen and ibuprofen should be given orally to lower the fever. Physical fever reduction, including ice packs and baths, should also be done during this period.
Children after vaccination fever in addition to the above factors, but also may be just one of the adverse reactions after vaccination, if the vaccination has been high fever after vaccination, need to be regularly observed, in the case of fever caused by convulsions, nausea, etc., you need to seek medical attention in a timely manner. If the fever persists after vaccination, the local community should also be informed promptly.
Medications should be used under the guidance of a medical professional and should not be administered at random.