Lactose intolerance quiz
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Learn more about Lactose intolerance
Content updated on Jun 1, 2022
What is lactose intolerance?
A condition where milk is poorly digested and absorbed. This happens more commonly in adults as the enzyme for digesting milk (lactase) in childhood decreases with age. Other risk factors include recent gut infections and ethnicity (non-Caucasian).
Symptoms related to lactose intolerance
Diarrhea that improved with lactose-free milk
Abdominal pain
Diarrhea
Stomach feels bloated
Questions your doctor may ask to check for lactose intolerance
Your doctor may ask these questions to diagnose lactose intolerance
Does your diarrhea improve when you drink lactose-free milk?
Do you have abdominal pain (stomach ache)?
Do you have loose stools or diarrhea?
Do you feel that your abdomen (stomach) is bloated or has a lot of gas?
Treatment for lactose intolerance
Decreasing milk consumption will relieve symptoms. Other options include switching to lactose-free milk, or taking lactase supplements before eating dairy products.
View the symptoms of Lactose intolerance
Diseases related to Lactose intolerance
References
Di Costanzo M, Berni Canani R. Lactose Intolerance: Common Misunderstandings. Ann Nutr Metab. 2018;73 Suppl 4:30-37. doi: 10.1159/000493669. Epub 2019 Feb 19. PMID: 30783042.
https://www.karger.com/Article/FullText/493669
Szilagyi A, Ishayek N. Lactose Intolerance, Dairy Avoidance, and Treatment Options. Nutrients. 2018 Dec 15;10(12):1994. doi: 10.3390/nu10121994. PMID: 30558337; PMCID: PMC6316316.
https://www.mdpi.com/2072-6643/10/12/1994
Deng Y, Misselwitz B, Dai N, Fox M. Lactose Intolerance in Adults: Biological Mechanism and Dietary Management. Nutrients. 2015 Sep 18;7(9):8020-35. doi: 10.3390/nu7095380. PMID: 26393648; PMCID: PMC4586575.
https://www.mdpi.com/2072-6643/7/9/5380
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan