Question
I’ve had a fever for a whole day after the flu vaccine. Is this normal? I’ve never been treated for it before, and I would like a quick response from the doctor. Thank you.
Answer
Fever after the flu vaccine is a normal reaction, typically ranging from 37-37.5 degrees Celsius, and can reach above 39 degrees in severe cases. It may be accompanied by symptoms such as headache, dizziness, general weakness, chills, nausea, and vomiting. These symptoms usually resolve within 24 hours and rarely persist for more than 3 days. If the fever exceeds 38.5 degrees Celsius, symptomatic anti-inflammatory medication can be taken. Once the body temperature returns to normal, other symptoms should also disappear. If the fever does not subside or other abnormalities occur, seek medical attention immediately.