Hi, thanks for using healthcare magic
It would be best to take her to be assessed.
It is possible that the blood is related to inflammation of the throat from the infection but it would be best to have this confirmed by examination.
The symptoms of sorethroat,headache, fever
may be in keeping with viral illness which could normally be treated appropriately at home with fluids, rest, antipyretics (paracetamol
) but the blood would require investigation.
I hope this helps and she feels better soon