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Lactose Intolerance: Symptoms & Signs

Lactose intolerance is a condition in which the body is unable to fully digest lactose, a form of natural sugar found in milk. Lactose intolerance is not the same thing as a food allergy and is a relatively common condition. It is more common in Native Americans and people of Asian, African, and South American descent than among people of European ancestry. The condition results from a deficiency of lactase, an enzyme made in the small intestine that breaks down lactose. Symptoms occur when an affected person consumes milk or dairy products. Symptoms and signs can include

The degree or severity of symptoms can vary among affected people.

Other lactose intolerance symptoms and signs

  • Abdominal Cramping
  • Abdominal Distension
  • Abdominal Pain
  • Bloating
  • Diarrhea
  • Gas
  • Gurgling Sounds in the Abdomen
  • Loose Stools
  • Nausea
  • Vomiting

Medically Reviewed by a Doctor on 9/10/2019

QUESTION

Pancreatitis is inflammation of an organ in the abdomen called the pancreas. See Answer
Medically Reviewed on 9/10/2019
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