What is lactose intolerance?
Lactose intolerance is difficulty digesting the sugar found in milk.
Symptoms, causes and assessment
Bloating, gas, cramps or diarrhea may follow dairy, with tolerance varying by person. This is not the same as milk-protein allergy. A food diary and selected tests help distinguish other causes of bowel symptoms.
Care and when to seek help
Eliminating all dairy may not be necessary; maintain calcium and nutrient intake. Blood in stool, unexplained weight loss or persistent symptoms require assessment for other causes.
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