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Go Local
- Services and providers for Lactose Intolerance in the U.S.
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National Institutes of Health
- The primary NIH organization for research on Lactose Intolerance is the National Institute of Diabetes and Digestive and Kidney Diseases
Lactose Intolerance
Also called: Dairy product intolerance, Lactase deficiency, Milk intolerance
Lactose intolerance means that you cannot digest foods with lactose in them. Lactose is the sugar found in milk and foods made with milk. After eating foods with lactose in them, you may feel sick to your stomach. You may also have
- Gas
- Diarrhea
- Swelling in your stomach
Your doctor may do a blood, breath or stool test to find out if your problems are due to lactose intolerance.
Lactose intolerance is not serious. Eating less food with lactose, or using pills or drops to help you digest lactose usually helps. You may need to take a calcium supplement if you don't get enough of it from your diet, since milk and foods made with milk are the most common source of calcium for most people.
National Institute of Diabetes and Digestive and Kidney Diseases
Start Here
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Lactose Intolerance
(National Institute of Child Health and Human Development)
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Why Does Milk Bother Me?
(National Institute of Diabetes and Digestive and Kidney Diseases)
| Basics | Learn More | Multimedia & Cool Tools |
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| Research | Reference Shelf | For You |
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Overviews
- Lactose Intolerance(Mayo Foundation for Medical Education and Research)
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Problems Digesting Dairy Products?(Food and Drug Administration)
Also available in Spanish
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Diagnosis/Symptoms
- Lactose and Glucose Hydrogen Breath Test(Cleveland Clinic Foundation)
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Related Issues
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What People with Lactose Intolerance Need to Know about Osteoporosis(National Institute of Arthritis and Musculoskeletal and Skin Diseases)
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What People with Lactose Intolerance Need to Know about Osteoporosis
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Clinical Trials
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ClinicalTrials.gov: Lactose Intolerance(National Institutes of Health)
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ClinicalTrials.gov: Lactose Intolerance
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Journal Articles
References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Evaluation of a novel reverse-hybridization StripAssay for typing DNA variants...
- Article: Does milk cause cancer?
- Article: Measurement of breath hydrogen and methane, together with lactase genotype,...
- Lactose Intolerance -- see more articles
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Organizations
- American Gastroenterological Association
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National Institute of Diabetes and Digestive and Kidney Diseases
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Children
- Lactose Intolerance(Nemours Foundation)
- Milk for Kids with Lactose Intolerance(Dept. of Agriculture) - Links to PDF
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Teenagers
- Lactose Intolerance(Nemours Foundation)
- Lactose Intolerance: A Guide for Teens(Children's Hospital Boston)
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Date last updated: 08 September 2008 Topic last reviewed: 08 September 2008 |