Hi, my son is 5yrs old nd has fever from 2 days..he fells very week.he first says his head starts paining then vomits anything he eats... even complains of stomach ache..doctor prescribed emeset 5ml 1/2 hr before food...nd calpol 5ml with ibugesic 5ml alternative every 4 hrs..nw his co twin my daughter also has the same problem..she complains of leg pain also...can I give them lanzol 15ml tablet half each instead of emeset...doctor also prescribed nutraline. B 5ml for weekness...shall I continue with the same medicines...