A Dairy allergy, or milk allergy, refers to any allergic reaction caused by a component of cow’s milk. The three components of cow’s milk that cause dietary reactions; casein protein, whey protein, and lactose sugar. Casein and whey are the two main components. Casein is the curd that forms when milk is left to sour, while the watery part that’s left after the curd is removed is the whey. Casein accounts for 80 percent of the protein in milk and whey protein accounts for the other 20 percent of milk.
Many individuals develop a milk allergy as babies, the body can develop the allergy later in life. Only two to three percent of all infants have milk allergies, by the age of four to six most of them outgrow it. Lactose intolerance is frequently confused with milk allergy, but the two conditions are not the same.
Symptoms of a Dairy Allergy
Dairy allergies may appear with a wide variety of symptoms, including itchy red rash, hives, eczema, allergic black eyes, and swelling of lips, mouth, tongue, face or throat. Digestive system might include nausea, vomiting, diarrhea, gas, bloating or abdominal cramps. One may also be affected by respiratory system reactions such as; a runny nose, sneezing, watery or itchy eyes, nasal congestion, wheezing, shortness of breath or coughing.
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