My daughter has had a fever all day I got it to go down then when it's time to give her more meds it…

My daughter has had a fever all day I got it to go down then when it's time to give her more meds it goes back up! she's been sleeping on and off all day it 12 almost 1am just gave her the last dose of meds tonight n took her temp which is at 102.4 before that I got it down to 99.0 well at least she's not fussy she just wants to watch cartoons