Allergy symptoms depend on the type of allergy but may include sneezing, itchy skin, or swelling. Some allergies can cause anaphylaxis, which can be life threatening and requires immediate treatment.

There are many types of allergies, including seasonal, food, drug, pet, mold, insect, and latex allergies. An allergy is an overactive immune response to a substance called an allergen that is usually ...

My youngest son has been allergic to peanuts and sesame since he was a toddler. Though he has never had a life-threatening reaction, the risk of one hangs over him constantly. He can’t eat out in most ...