is continues , you should not wate .
go for complete blood investigation .
go for investigation CBC , MP antigen , Typhi dot and if vomitting and nausea
is there go for dengue
NS1 test also .
to reduce fever give paracetamole 15 mg /kg /dose for 3 times .
anti histaminic drug
increase water intake
steam is helpful for running nose .
after getting blood reports your doctor will decide treatment .
hope this will help u