Hi welcome to HCMForum. your problem appears to be viral fever
or enteric fever
. in both cases fever , running nose, fatigue
are some times accompanied by diarrhoea
. i advise you to consult a physician for diagnosis. you may have to get the tests TC, DC, ESR, PLATE LET COUNT, QBC, WIDAL tests for confermation. Besides i advise youto follow some diet recommendations, as take bland diet, with out spices & chillies. don't take fruits & juices. dont worry you will be fine.