Misdiagnosis of Underlying Causes of Lactose Intolerance

About underlying conditions: With a diagnosis of Lactose Intolerance, it is important to consider whether there is an underlying condition causing Lactose Intolerance. These are other medical conditions that may possibly cause Lactose Intolerance. For general information on this form of misdiagnosis, see Underlying Condition Misdiagnosis or Overview of Misdiagnosis

Underlying conditions list: The list of possible underlying conditions mentioned in various sources for Lactose Intolerance includes:

Underlying conditions discussion: Some causes of lactose intolerance are well known. For instance, certain digestive diseases and injuries to the small intestine can reduce the amount of enzymes produced. In rare cases, children are born without the ability to produce lactase. For most people, though, lactase deficiency is a condition that develops naturally over time. After about the age of 2 years, the body begins to produce less lactase. However, many people may not experience symptoms until they are much older. ¹

Footnotes:
1. excerpt from Lactose Intolerance: NIDDK

Last revision: May 30, 2003

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