I have a friend who is allergic to peanuts, so she carries an EpiPen wherever she goes. When people catch a glimpse of the injection, it prompts inevitable Pulp Fiction jokes, but there's nothing fun about having to use an EpiPen. Commonly known by its brand name, this epinephrine autoinjection is used to treat anaphylaxis, a sudden and severe allergic reaction that can be life-threatening. Read more

DrSugar is in the house! This week she's tackling a reader suffering from an allergic reaction to exercise. Dear Dr. Sugar, I work out regularly, but I have had a sort of reaction during my last two intense cardio workouts. My face turns bright red; I wheeze slightly, cough, and my eyes and nose itch. I have to stop and rest, but the symptoms go away after about 30 minutes. The symptoms seem to Read more