Lactose Intolerance

What is lactose intolerance?

Lactose is intolerance is when the body has a hard time breaking down lactose.

What is lactose?

Lactose is a type of sugar found in certain foods. The body can use it for energy.

What is lactase?

Lactase is an enzyme that is found in the small intestines. It breaks down lactose.

When there is enough lactase, it breaks down lactose so the body can use it for energy.

When there is not enough lactase, lactose will travel to the large intestine. Bacteria in the large intestine breaksdown the lactose and creates gas.

Foods with lactose
  • Milk
  • Yogurt
  • Ice cream
  • Cream cheese
  • Cheese
What are possible causes?
  • Genetics
  • Injury from disease such as Crohn's disease or celiac disease
  • Injury from medication or surgery
What are some symptoms?
  • Stomach pain
  • Bloating
  • Diarrhea
  • Gas
What to do?
  • Choose lactose free dairy products
  • Choose lactose free milk and lactose free yogurt
  • Choose cheeses lower in lactose
  • Choose non-dairy lactose free milk made from soy, rice, almond, or coconut
  • Lactase enzyme tablets can help with digestion
  1. Mcnamara L. What is lactose intolerance? Lactose intolerance - A blog by Monash FODMAP | The experts in IBS - Monash Fodmap. https://www.monashfodmap.com/blog/what-is-lactose-intolerance/. Published April 10, 2016. Accessed January 19, 2021.
  2. Publishing HH. Lactose Intolerance. Harvard Health. https://www.health.harvard.edu/a_to_z/lactose-intolerance-a-to-z#:~:text=When%20lactose%20can't%20be,bloating%20and%20flatulence%20(gas). Accessed January 19, 2021.
  3. Symptoms & Causes of Lactose Intolerance. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/lactose-intolerance/symptoms-causes. Published February 1, 2018. Accessed January 19, 2021.