Lactose Intolerance Quiz
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Diarrhea decreases with lactose-free milk
Stomachache
Diarrhea
Bloating
My stomach is rumbling
Abdominal pain
Loose stool
Not seeing your symptoms? No worries!
What is Lactose Intolerance?
A condition in which milk is poorly digested and absorbed. This occurs more commonly in adults, as the enzyme for digesting milk (lactase) decreases with age. Other risk factors include recent gut infections and non-Caucasian ethnicity.
Typical Symptoms of Lactose Intolerance
- Pain in the lower left abdomen
- Pain in the lower right abdomen
- Pain around the belly button
- Stomach or abdominal pain
- Diarrhea that improved with lactose-free milk
- Stomach or abdominal pain with frequent bowel movements
- Stomach or abdominal pain followed by loose stools
- Frequent stomach or abdominal pain with unknown causes
Diagnostic Questions for Lactose Intolerance
Your doctor may ask these questions to check for this disease:
- Do you feel pain in your lower left abdomen?
- Do you have pain in the lower right abdomen?
- Do you feel pain around your belly button?
- Do you have any stomach or abdominal pain?
- Does drinking lactose-free milk improve your diarrhea?
Treatment of Lactose Intolerance
Reducing milk consumption can alleviate symptoms. Other options include switching to lactose-free milk, non-dairy milk, or taking lactase supplements before consuming dairy products.
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (Primary Care)
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.
Content updated on Mar 31, 2024
Following the Medical Content Editorial Policy
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People with similar symptoms also use Ubie's symptom checker to find possible causes
- I have lower abdominal pain
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See full list
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
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/493669Szilagyi 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/2072-6643/10/12/1994Deng 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