Having a fever for 3 days and now had pulsing head ache but just for a moment. fever not more than 39. age 8 years weight 26kg. he says ok just tired?

Fever: Fever of 39 after three days should be evaluated. Take your child to the doctor.

FEVER, Viral / Flu?: Fever with headache mostly viral illness, associated symptoms are: cough, runny nose, malaise, nausea, diminished appetite. If it is influenza, needs to see pediatrician. You are in malayasia, a tropical country, the micro-organism according to local prevalent ones. Give Acetaminophen for fever more than 101 f, make sure he drinks enough fluid, takes rest. If not better/more headache, call his doc.