Lactose Intolerance Topic Guide
Lactose Intolerance: Lactose intolerance is a condition in which milk and milk products (lactose products) are not digestible. Lactose intolerance is caused by a deficiency of lactase in the intestinal wall. Lactose intolerance may appear gradually after childhood. However, the condition can be present at birth. Common symptoms of lactose intolerance include gas, bloating, abdominal pain, diarrhea, and nausea. The treatment for lactose intolerance are dietary changes to exclude products that contain lactase.
Diarrhea Diarrhea can be caused by bacterial or viral infections, parasites, intestinal diseases or conditions, reactions to medications, and food intolerance. Symptoms of diarrhea include watery stools, abdominal cramping, fever, and dehydration. Most cases of diarrhea can be treated at home. In some cases (in the elderly, small children, or those with severe or chronic medical conditions) may need to be hospitalized due to dehydration.