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The Milk and Egg Section

Allergy Breakthrough on Baked Milk and Egg

450963799Photo: Thinkstock

From the Allergic Living archives. First published in the magazine in 2010.

AVOID, AVOID, avoid. That’s how Ann Jeannette Glauber had been treating her 4½-year-old son’s allergies to eggs, milk, peanuts, nuts and shellfish. But at a party a few years ago, Theo grabbed and ate a handful of Goldfish crackers (which contain dairy) before she could stop him.

“I kind of freaked out,” she admits, since her son had previously had an anaphylactic reaction to cottage cheese. Theo didn’t react to the crackers, but avoidance remained the family watchword.

The boy, however, turns out to be among the 75 per cent of kids allergic to dairy whom researchers now believe can actually tolerate milk – provided it has been extensively heated through baking. The same holds true for egg.

While under supervision at Johns Hopkins University School of Medicine in Baltimore, Theo on separate occasions was able to eat one-twelfth of an egg and a quarter cup of milk, both of which were baked into a cake. Emergency treatment was at the ready, but he didn’t react. By May, the boy had started a new diet at home that includes muffins, breads, even croissants; foods thoroughly baked at 350 degrees for at least 30 minutes. There has been a sanctioned bite of lasagna and, in the next phase, Theo will be testing out pizza, which isn’t cooked as long.

Allergists have long heard stories of allergic children who have accidentally eaten milk or egg – perhaps grandma fed the child an off-limits cupcake, or a daycare provider didn’t realize that cookies contained egg – without reactions.

But researchers are getting closer to understanding why kids like Theo can tolerate milk or egg that has been baked, while others still will react immediately. They’re also finding that introducing the baked food into the diet may actually help the child outgrow the allergy.

At Johns Hopkins, some dairy-allergic kids, including those who have had significant reactions to milk in the past, have even moved on to unheated foods such as yogurt and chocolate milk.

The best news: this is research that doesn’t have to wait for clinical trials and government approvals. As long as you begin at the office of your allergist, and he or she has the resources to perform food challenges safely, introducing baked milk or egg into your child’s diet is “something that can be done right now,” Dr. Wesley Burks, head of pediatric allergy and immunology at Duke University Medical Center, told the American Academy of Allergy, Asthma & Immunology conference in New Orleans earlier this year. He called this new way of treating milk and egg allergy a “paradigm change.”

Added Dr. Hugh Sampson, chief of allergy and immunology at New York’s Mount Sinai School of Medicine and leader of the research: “What it means is that as opposed to going to birthday parties and not being able to eat cake, or going to school and worrying about somebody eating a cookie that has milk or – they can suddenly do all this.”


THE CONCEPT of feeding allergic kids baked milk or egg goes against longstanding food allergy management practice and what parents like the Glaubers have been doing to protect their children. That is, they do everything in their power to ensure that not a morsel of the allergenic food crosses their child’s lips. A shift in thinking began a few years ago with a study performed by Sampson and his colleagues at Mount Sinai.

They gave each of 100 milk-allergic kids a muffin to eat that contained 1.3 grams of milk protein, in the form of dry milk powder. If a child was able to eat the muffin, baked for 30 minutes, without a reaction, two hours later he or she was served a waffle, which was only cooked for three minutes.

Sampson and his team found that 75 of the 100 children tolerated milk that had been extensively heated, and they were told to keep it in their diet.

While in the past it had been believed that kids were more likely to outgrow a milk allergy if they successfully avoided it, this study suggested otherwise. In follow-up appointments three months later, those children who had continued to eat baked milk products showed a significantly smaller

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