The most common cause of lactose intolerance is acquired primary lactase deficiency. Less common causes of lactose intolerance include Small intestinal bacterial overgrowth, Infections such as giardiasis, Drug induced enteritis, Celiac sprue, Tropical sprue, and Whipple's disease.
Lactose intolerance causes
Tropical sprue causes
Lactose intolerance risk factors
Protein energy malnutrition causes
Viral gastroenteritis causes
Malabsorption causes
Galactosemia causes
Short bowel syndrome causes