my daughter is 4 years old aur uska raat me temp 99 ho jata h Sare blood test ho chuke h xray bhi sahi h koi. phir kyu temp bade jata h

A. 99° is a very mild figure fever but if it is happening every now and then then that is definitely not good if all the test have become normal and there is no problem at all then you can ask your doctor to check for a blood infection as Wala that could be the reason