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Dr. Scott Sicherer

What causes hives to appear in a food-allergic reaction?

By Dr. Scott Sicherer

Q: Why do we get hives in a food-allergic reaction? And will they always appear?  Dr. Sicherer: Hives, also called urticaria, develop when allergy cells in the skin release chemicals, including histamine, that cause localized swelling, redness and itching. The response looks like a series of mosquito bites, often across an expanse of skin, but various …

Dr. Wade Watson

Can Exercise Trigger a Food-Allergy Reaction?

By Dr. Wade Watson

Q: My son recently passed a baked milk challenge at his allergist’s office. I regularly feed him small pieces of caked baked with milk. He usually tolerates it, but on two occasions, he broke out in hives, developed swollen lips and felt tightness in his chest. Interestingly, on both occasions, he played sports about an hour after eating the …

Dr. Hemant Sharma

How Do I Know When to Use My Auto-Injector?

By Dr. Hemant Sharma

Q: My 5-year-old is newly diagnosed with anaphylaxis to soy and peanut. I’m a little nervous about when to use the auto-injector. If a reaction occurs, how do I know if the symptoms are serious enough to use it? e.g. would he need to be wheezing?  Dr. Sharma: Dealing with a new diagnosis of a food …

Dr. Scott Sicherer

Can Skin Exposures Worsen a Child’s Allergy?

By Dr. Scott Sicherer

Q: I have two young children, and my 18-month-old daughter has had an anaphylactic reaction to dairy. I’ve been letting her older brother continue to eat cheese at lunch, but sometimes he’ll touch or grab his sister’s arm before I can wash him up. This happened recently and she got a few hives. Could skin …

Dr. Wade Watson

Latex Allergy in Children

By Dr. Wade Watson

Q: At a birthday party a few months ago, my 5-year-old’s whole face became swollen, her breathing became difficult, and a rash covered her face and arms. Amelia has not been diagnosed with a latex allergy (the kids were playing with balloons). What can you tell me about it? I’m scared for my daughter.  Dr. Watson: Latex …

Dr. Hemant Sharma

Is it Possible to be Allergic to Garlic?

By Dr. Hemant Sharma

Q: I have recently begun getting hives and diarrhea after eating foods containing garlic (which seems the only common denominator). Is it possible to be allergic to garlic, and should I see an allergist?  Dr. Sharma: It is possible to be allergic to garlic, but it appears to be rare and only a few cases …

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 …

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