My kid is one year old he is getting fever for the past 5 days visited hospital tried calpol 250 Dolo 250 metal 250 ascoril cherry cough syrup what not when ever we use become normal later again he became feverish kid is active when he is normal when fever come s his head stomach become very hot he is on lactogen since his birth past five months started giving some food one time pls suggest why it is what is the issue.