These are some of the immediate symptoms that may and do occur within minutes of eating foods high in fructose. They can persist for days.
-Flatulence, bloating and distension (from fructose fermenting in the small and large intestine).
-Diarrhoea, and to a lesser degree constipation.
-Indigestion, stomach pain, abdominal pain.
-Fatigue, lack of energy.
-Negative and intense emotions.
-Nausea or even vomiting if large quantities of fructose are consumed.