Fructose and lactose intolerance and malabsorption testing: the relationship with symptoms in functional gastrointestinal disorders SUMMARY Background The association of fructose and lactose intolerance and malabsorption with the symptoms of different functional gastrointestinal disorders (FGID) remains unclear. Aim To investigate the prevalence of fructose and lactose intolerance (symptom induction) and malabsorption and their association with...
