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Doctor insights on: What Are The Signs And Symptoms Of Lactose Intolerance

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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


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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 the most common symptoms of lactose intolerance?

What are the most common symptoms of lactose intolerance?

GI problems: Lactose intolerance is the inability to digest lactose due to a deficiency in the enzyme lactase. Common symptoms of this condition include abdominal bloating, abdominal cramps, diarrhea, gas, and nausea. These symptoms tend to occur soon after the ingestion of milk products. Infants or children with lactose intolerance may have slow growth or weight loss. ...Read more

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What are symptoms of lactose intolerance that first appear?

What are symptoms of lactose intolerance that first appear?

Diarrhea/ rash: If present from birth, this often produces a chronic diarrhea with acidic stools that leave baby with a scorch looking diaper rash focused about the anus. After a while yeast will often join & aggravate the rash.If the diarrhea clears after a week on lactose free formula, with a return after a return to lactose, your most likely lactose intolerant. ...Read more

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What are the symptoms of lactose intolerance and can you develop it over years?

Stomach symptoms: Lactose intolerance is the result of missing the enzyme lactase which digests the sugar lactose. Symptoms include: nausea, belly pain, diarrhea. All typically happen after consuming dairy. ...Read more

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How much milk to you have to consume to have symptoms of lactose intolerance?

How much milk to you have to consume to have symptoms of lactose intolerance?

Lactose intolerance: Even 8 ounce cup of milk can cause symptoms like gas, bloating, diarrhea, cramping in abdomen. Whole milk has less lactose than low fat or skim milk. Yogurt, cheese, butter have less. Aged cheese has lot less lactose. Lactose is mostly in the watery portion of the milk. Breast milk has even more lactose than regular milk! ...Read more

Dr. Bhavin Patel
388 doctors shared insights

Lactose Intolerance (Definition)

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 ...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