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Dr. Scott Sicherer

Why isn’t Sesame a Top Allergen in the U.S.?

By Dr. Scott Sicherer

Q: My 11-year-old has sesame allergy and I keep hearing about more and more sesame-allergic children. Why isn’t sesame on the top allergens list and labeled on foods as an allergen? Dr. Sicherer: Sesame is not regulated in U.S. labeling laws, although it is included in these laws in many other countries, including Canada. The …

Dr. Hemant Sharma

Do Blood Test Results Show Allergy Likelihood?

By Dr. Hemant Sharma

Q: My daughter, who’s 4, was diagnosed with peanut allergy shortly before her third birthday after experiencing a rash around her mouth when she ate a peanut butter cup. Her blood test for peanut showed an antibody level of 4.85, and it was 3.82 a year later. Her allergist suggests a food challenge in a …

Dr. Scott Sicherer

Can Skin Contact Cause Anaphylaxis?

By Dr. Scott Sicherer

Q: My daughter, who’s 7 years old, has dairy and other allergies and asthma, and has had one anaphylactic reaction. Then last fall, she broke out in big welts on her arms where another child’s milk spilled on her. (She did not get wheezing.) Is it possible to get anaphylaxis from skin contact with an …

Dr. Hemant Sharma

Can Nut Residue Stay on Sports Equipment?

By Dr. Hemant Sharma

Q: My son goes to high school next year and wants to try out for the football team. But he has peanut and nut allergies and I wonder: is there a risk of him coming in contact with nut residue on the ball?  Dr. Sharma: Having a food allergy shouldn’t limit a teen from living …

Dr. Scott Sicherer

How Do You Know if an Allergy is Truly Gone?

By Dr. Scott Sicherer

Q: My 6-year-old daughter’s IgE blood test numbers for peanut allergy have significantly decreased, and the allergist is offering an oral challenge test. My question: as allergic reactions aren’t consistent, if she doesn’t react or has only minor symptoms on the day of the oral challenge, can we be certain this allergy is truly gone? …

Dr. Scott Sicherer

Do Reactions Worsen With Each Exposure?

By Dr. Scott Sicherer

Q: Is it true that food allergies to shrimp or peanuts will get worse with every accidental exposure? I had my first (quite bad) reaction to shrimp at 25 years of age, and this worries me. Dr. Sicherer: No, it is not true. It is a common myth that allergic reactions automatically become worse with …

Dr. Hemant Sharma

Can You Tell if a Food Allergy is Life-Threatening?

By Dr. Hemant Sharma

Q: What I don’t understand is: how does an expert decide whether a food allergy is “life-threatening” or not? This issue comes up frequently, such as when preparing forms for daycare or schools. Dr. Sharma: Your question is a great one because it points out a major limitation of our currently available food allergy tests, …

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