You have high grade fever with nausea and pain rt upper quadrant of abdomen.there are few possibilities for that ..This may be because of hepatitis . Hepatic abscess rt lower lobe pneumonia cholecystitis cholangitis subdiaphramatic abscess etc. your blood work is normal you need an x ray chest and ultrasound .x ray to look for chest and ultrasound for hepatobiliary system.but there is no substitute of detail history and physical examination . So you must consult your physician and work according to his advice . Hope this will help.