Anaphylaxis is a severe allergic reaction that needs emergency medical treatment. It can happen in seconds or even hours after contact with something you’re allergic to, like foods, insect venom, latex, or medication. In rare cases, exercise and physical activity also can trigger anaphylaxis.
Call 911 immediately if you think someone has symptoms of anaphylaxis. These may include:
Do any of these scenarios sound familiar?
You catch a whiff of a co-worker's new fragrance, and within minutes, you have a whopper of a headache.
You pop open that new bottle of dish-washing liquid, and by the time you've washed the pots and pans, your hands and arms are covered in hives.
You walk into a friend's home and smell freshly baked pumpkin pie. Only after you start sneezing uncontrollably and feeling dizzy, weak, and sick to your stomach do you learn she hasn't been baking --...