HI I have gone through your mail and as you said that you are having fever for last three days. Fever is associated with chills and rigor, running and stuffy nose,irritable 
cough with sputum,diarrhea with 
abdominal pain,both ears are popping out with 
severe pain,you have headache,pain back of abdomen and chest pain.You are taking medication but not feeling better,you are now advice to go for these basic investigations like- (1) X-Ray 
paranasal sinuses, (2) X-Ray chest in P.A.view, (3) C.T.head (4) ultrasound of abdomen, (5) Blood -C.B.C., E.S.R., 
widal test, malaria parasite, (6) Urine-routine, microscopic, culture & sensitivity, (7) Stool examination.Beside this you should contact your physician for clinical examination of your nose throat , chest and abdomen and clinical co-relation of investigations reports to make diagnosis and treatment accordingly.thanks