Intense pain in centre of abdomen post fever chills sweats body aches. pain lasted for 4 days. couldn't eat. pain is gone now but nausea and headache?

Exam advised: Fever, sweats,chills, body aches followed by four days of midabdominal pain is concerning and this may have been an intestinal viral infection especially if diarrhea ensued. Even though the pain has subsided you still have symptoms which could be part of the viral infection,but see your physician if you still feel quite ill or if any abdominal pain recurs as appendicitis would be a concern