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lactase deficiency
Epidemiology:
- most common cause of osmotic diarrhea
Pathology:
- deficiency of lactose
- may occur secondary to recent food poisoning or gastroenteritis
Clinical manifestations:
- lactose intolerance
- osmotic diarrhea
Management:
- improvement after exclusion of dietary lactose or administration of lactase with meals confirms diagnosis [1]
Specific
congenital lactase deficiency; hereditary alactasia; disaccharide intolerance 2
General
metabolic disease
lactose intolerance (milk intolerance)
References
- Medical Knowledge Self Assessment Program (MKSAP) 16, 19
American College of Physicians, Philadelphia 2012, 2021