What is cow's milk protein allergy? Distinguish from some common diseases in children?

Video content is professionally consulted by Master, Doctor Nguyen Duy Bo - Pediatric Center - Vinmec Times City International Hospital

A baby with a cow's milk protein allergy is the immune system's response to a protein or protein found in cow's milk. Cow protein allergy is divided into 2 groups.

Rapid cow's protein allergy: That is, the allergy symptoms appear quickly, usually from a few minutes to a few hours after the child eats cow's milk with manifestations such as rash, hives, cough, wheezing, difficulty breathing, vomiting, diarrhea, can even cause cardiovascular collapse. Delayed cow's protein allergy: Symptoms of cow's milk protein allergy in babies will appear after a few hours or even weeks of drinking cow's milk. Manifestations of delayed allergy may be atopic dermatitis in children; Gastric esophagitis with vomiting, digestive disorders such as diarrhea, constipation, abdominal pain, even bloody stools and easily mistaken for a digestive infection. Currently, cow protein allergy is quite common in children, especially children under 5 years of age, and is often not fully diagnosed and managed, especially in the allergic group with late manifestations that are often confused with other diseases. Common digestive disorders, lactose intolerance or infectious diarrhea... Consequences lead to prolonged digestive disorders in children, poor absorption of nutrients, slow weight gain, and malnutrition.
According to Master, Doctor Nguyen Duy Bo - Vinmec Times City, cow's milk protein allergy can cause vomiting, diarrhea, rash, difficulty breathing... The essence of cow protein allergy is the interaction between the system. the baby's immunity to proteins contained in the food the baby eats.
Children with cow's milk protein allergy have diverse clinical manifestations, so they are easily confused with other common diseases. In particular, the digestive manifestations of cow protein allergy are also easily confused with other digestive diseases such as gastroesophageal reflux disease, digestive disorders caused by viruses, bacteria, food poisoning This is rare).
If the child has difficulty breathing, wheezing right after eating milk, think about cow protein allergy and immediately take the child to a medical facility to be examined by a specialist and have an appropriate treatment plan. In case the baby does not have difficulty breathing, wheezing but has other symptoms of allergies, parents need to stop drinking milk and take them to an allergist.
In case the baby is allergic to cow's milk protein, it is necessary for the baby to have regular check-ups with an allergist every 3-6 months, until the baby tolerates milk again.