Author: Dr. Scott Sicherer

Is It Safe For Those With Shellfish Allergies To Consume Sea Salt?

Q: I’m a chef and often serve food to allergic customers. Is it safe for those with shellfish allergies to consume sea salt? I’ve read that it can contain a microscopic type of shellfish.  Dr. Sicherer: Sea salt differs from table salt primarily because sea salt is evaporated from seawater rather than refined from mined salt.… Read more »

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

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… Read more »