Lactose intolerance usually develops in adulthood and is more likely to occur in certain ethnic groups and in people who've had an injury to the small intestine. You might love milk, but as Author: Beth W. Orenstein. Milk Protein Intolerance Symptoms. Milk protein intolerance causes symptoms in the digestive system, but it can also cause skin reactions and irritability. About 2 to 3 percent of babies deal with milk protein intolerance, according to GI Kids, an educational website from the North American Society for Pediatric Author: Shelley Frost.
Milk allergy and lactose intolerance. Milk allergy is often muddled with lactose intolerance. It is very important to understand the differences because it is only this way that you can help avoid the symptoms. When a person reacts to milk, the first assumption is that it is an allergy. If you get these about 30 minutes to 2 hours after you drink milk or eat dairy products, you should talk to your doctor. Lactose intolerance is just one of many things that can cause these symptoms.
Although both conditions can cause intestinal discomfort, lactose intolerance is strictly a digestive issue, whereas a milk allergy is an immune response. For those allergic to milk, their body sees milk proteins as foreign invaders, and the white blood cells attack them and produce antibodies against them. Milk allergy and milk intolerance are reactions to the protein found in milk, whereas lactose intolerance is a digestive reaction to the sugar found in milk. If a person with lactose intolerance drinks milk, they may suffer from bothersome symptoms, similar to a milk protein intolerance. Milk allergy, on the other hand, can be potentially fatal.