my daughter is 3.5 years old and has been suffering from fever and headache for 5 days. i am using crocin ds 240 after 3 days started taxim -o antibiotic. today also she woke up with a headache and fever. and she is kidney reflux patient. but in urine test she doesn't have any infection. is it bacterial infection fever or anything else. why she is complaining about headache? is it common in fever? my daughter is very active even though she has a fever or headache.