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Doctor insights on: Lactose Intolerance

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Dr. Bhavin Patel
389 doctors shared insights

Lactose Intolerance (Overview)

Lactose is a type of sugar found in milk and other dairy products. Lactose intolerance develops when the small intestine does not make enough of an enzyme called lactase. The body needs this enzyme to digest lactose. This is not a milk allergy, but instead an intolerance with gastrointestinal symptoms of crampy abdominal pain, gassiness and diarrhea worse with increasing amounts of dairy ingestion.


Dr. Bhavin Patel
389 doctors shared insights

Lactose Intolerance (Overview)

Lactose is a type of sugar found in milk and other dairy products. Lactose intolerance develops when the small intestine does not make enough of an enzyme called lactase. The body needs this enzyme to digest lactose. This is not a milk allergy, but instead an intolerance with gastrointestinal symptoms of crampy abdominal pain, gassiness and diarrhea worse with increasing amounts of dairy ingestion.


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Is diarrhea a symptom of lactose intolerance?

Is diarrhea a symptom of lactose intolerance?

Yes: Common symptoms of lactose intolerance include crampy abdominal pain, gassiness, and non-bloody diarrhea. Sometimes there is vomiting as well. ...Read more

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Living with Lactose Intolerance (Tip)

Living with Lactose Intolerance

Most patients with lactose intolerance can tolerate 8 fl oz of milk without exacerbation of symptom. ...See more

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What are symptoms of lactose intolerance in a child?

What are symptoms of lactose intolerance in a child?

LACTOSE INTOLERANCE: Symptoms include diarrhea, bloating, abdominal distention due to inability to digest certain carbohydrates due to enzyme defficiency. Child has intolerance to milk intake and failure to gain weight. ...Read more

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What are signs of lactose intolerance in an adult?

What are signs of lactose intolerance in an adult?

Lactose intol. & age: Lactose intolerance is due to not have a sufficient amount of the enzyme lactase to digest the complex sugar in milk, lactose to simple sugars than can be absorbed by the intestines. That deficiency can be congenital or acquired especially following a severe gastroenteritis. The symptoms are often bloating, abdominal pain, gas, diarrhea, and/or nausea and are unrelated to age. ...Read more

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Living with Lactose Intolerance (Tip)

Living with Lactose Intolerance

If lactose-free milk gives you the same symptoms as milk, then you don't have lactose intolerance. ...See more

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How do you diagnose lactose intolerance?

Avoid dairy products: The simplest way is to eliminate all diary for one week: milk, ice cream, cheese, etc. And see if the symptoms go away. Then try adding a small amount of dairy products, such as a glass of milk each day for a week. If symptoms of abdominal pain, bloating and gas return, you may have lactose intolerance. Talk to your physician, to get more suggestions to evaluate or treat your symptoms. ...Read more

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Living with Lactose Intolerance (Tip)

Living with Lactose Intolerance

Some medicines are made with lactose, so sensitive patients should avoid them. ...See more

Lactose (Definition)

Found in milk. Lactose is a large sugar molecule that is made up of two smaller sugar molecules, glucose and galactose. In order for lactose to be absorbed from the intestine and into the body, it must first be split into glucose and galactose. The glucose and galactose are then absorbed by the cells lining the small intestine. The enzyme that splits lactose into glucose ...Read more


Dr. Bhavin Patel
224 doctors shared insights

Milk Intolerance (Definition)

Milk intolerance (lactose intolerance), is a condition where a person's body does not produce enough of the enzyme lactase, which works to digest the milk sugars. Without this enzyme, the milk sugar goes undigested, which can cause ...Read more