Lactose Intolerance Quiz
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Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
Dr. Nass received dual medical degrees from the David Geffen School of Medicine at UCLA and Charles R. Drew University in Medicine and Science. He completed Family Medicine residency at Ventura County Medical Center with subsequent fellowships at Ventura, University of North Carolina-Chapel Hill, George Washington University, and University of California-Irvine. He holds faculty appointments at Keck School of Medicine of USC, Loma Linda University School of Medicine, and Western University of Health Sciences.
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Learn more about Lactose intolerance
Content updated on Sep 20, 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 of 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, non-dairy 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
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
Dr. Nass received dual medical degrees from the David Geffen School of Medicine at UCLA and Charles R. Drew University in Medicine and Science. He completed Family Medicine residency at Ventura County Medical Center with subsequent fellowships at Ventura, University of North Carolina-Chapel Hill, George Washington University, and University of California-Irvine. He holds faculty appointments at Keck School of Medicine of USC, Loma Linda University School of Medicine, and Western University of Health Sciences.
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
Just 3 minutes.
Developed by doctors.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan