Mar 15, 2018 · Lactose is a type of sugar found naturally in the milk of most mammals. Lactose intolerance is a condition characterized by symptoms such as .
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.
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.
Lactose intolerance is the inability to digest lactose, the sugar in milk and dairy products. Learn more about this common condition from WebMD.