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Lactose Intolerance Causes & Risks

Causes

Lactose intolerance is caused by an inadequate amount of the digestive enzyme lactase. Lactase breaks down the sugar lactose into sugars the bloodstream can more easily absorb. When not fully broken down, lactose ferments in the colon (large intestine) and causes symptoms.

Some people are born with the inability to make the enzyme lactase. Others develop the intolerance over time.

Causes of lactose intolerance include:

Ulcerative Colitis

Ulcerative Colitis
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Risk Factors

A risk factor is something that increases your chance of getting a disease or condition.

Risk factors include:

  • Race: Black, Asian, or Native American
  • Ethnicity: Mediterranean or Jewish

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2019 EBSCO Publishing All rights reserved.

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