In our allergy clinic, skin prick testing is one of the most valuable tools we use and one of the most exhausting. On a busy day, a single panel can mean 40–60 wheals. The allergist orders the panel, the nurse marks the arm or back, applies allergens, starts the clock, and moves on to the next room. Fifteen minutes later, there’s a ruler, a pen, numbers being called across the room, and then the […]