Food allergies By Sigal Tavel, 14To many of us, an allergic reaction may seem like a simple thing: some sneezing or itching, then pop in a Benadryl or a Zyrtec and it’s over. But to the growing number of allergic children in the United States and elsewhere, allergies aren’t so simple. They rarely kill, but they can make the sufferer miserable and sometimes result in a trip to the emergency room.