Symptoms of 'lactose intolerance'

  • Riitta Korpela

Abstract

Factors affecting or confounding the symptoms of lactose intolerance were examined by us in randomised, placebo-controlled and double-blind studies on healthy adult subjects. Evaluation of the diagnostic methods of lactose intolerance showed that cut-off values, according to the blood glucose values, varied widely. This result was based on a postal questionnaire, sent to all Finnish health centres. Symptoms were seldom recorded for a sufficiently long period. In carefully diagnosed lactose intolerant subjects, there was no difference in the severity of reported symptoms between ingestion of 0, 0.5, 1.5 and 7 g of lactose. Lactose maldigesters reported more severe symptoms after ingestion of lactose, but also sucrose, lactulose and fructo-oligosaccharides than controls. There was a strong relation among the reported symptoms in lactose intolerance, irritable bowel syndrome, the experience of abdominal pain in childhood, and female sex. Key words: Lactose intolerance, lactose maldigestion, symptoms

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Published
2001-12-01
How to Cite
Korpela, R. (2001). Symptoms of ’lactose intolerance’. Food & Nutrition Research, 171-173. https://doi.org/10.3402/fnr.v45i0.1803