A high fever after the third vaccination requires prompt medical attention while infection and other factors are ruled out as the cause.
If you have a high fever after the third vaccination, especially if your temperature is above 38.5℃, you need to consult a doctor immediately.
This is mainly due to allergic reaction to the vaccine, and symptomatic antipyretic treatment should be given in a timely manner, using acetaminophen and other medications as prescribed by the doctor.
At the same time, we also need to carry out routine blood tests, chest X-ray and other routine tests to rule out the existence of infections and other disease factors in the vaccinated person.
However, the specific tests and the choice of drugs need to be based on medical advice, and should not be used on their own prescription drugs.