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Lactose is sugar that is found in milk and milk products. Some people do not make enough of an enzyme called lactase, which digests lactose. When this happens it can cause gas, belly pain, diarrhea, and bloating. This is called lactose intolerance. This is not the same as food allergy to milk.
Lactose intolerance affects different people in different ways. Some people cannot digest any milk products. Other people can eat or drink small amounts of milk products or certain types of milk products without problems. You can learn how to avoid discomfort and still get enough calcium to maintain healthy bones.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call your doctor or nurse call line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
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Current as of: June 27, 2018
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Rohit K Katial MD - Allergy and Immunology
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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