hi my daughter had fever last week for just two nights and then started complaining about headache for a week now..no temperature after tht..but passed pale stools today and once had voimiting day before yesterday night...daytime with the help of neurofen 5ml her heahache is under control for 4 hrs ,after tht starts to complain again abt headache.in- take is less but little active when headache is not thr after medication...he has the stomach fullness immd after having food..wht causes this? is this liver problem?