Mild constant headache for 24hrs gassy stomach nausea watery diarrhea fatigue fever of 100.5° and chills this is the 4th time I have had this in 4mo?

You need stool. Tests like cultures and various other things. Time to c ur doc about this. Take Tylenol (acetaminophen) for fever, which is likely causing your HA and hydrate up with gatoraid.