 [ Symptoms ] nausea vomiting constipation pain in right side of stomach diabetic low grade fever my fiance has been in the hospital for over a week now they have done multiple tests and come up with nothing these are his symptoms nausea vomiting constipation pain in his lower right side occasional hiccups and low grade fever he is also diabetic he goes back and forth everyday one day he is terribly sick then the next just fine they have done an endoscopy upper gi small bowel and hida scan they only thing they have found is gastritis what could possibly be wrong with him [ Disease ] hi could be just the flu you have try taking some pain killers and go to bed see if that sweats it out of you but your need to keep on them for a couple of days get lots of sleep and rest and keep your fluids up then see how you heel then ok good luck