Hey gud morning dear .dear fever again nd again not a good sign it's a symptom of any infection .so once consult to ur physician nd go for CBC, xray nd crp test . In these test u can know the actual reason ..same happens to me then I get to know my ESR s high that's why fever s coming . So dr gives antibiotics nd my fever goes finally ..so consult to ur dr .take healthy diet, plenty of liquids nd water too take care..