Spring’s in the air… and so is pollen. But these days, a runny nose or sneezing fit doesn’t just make you reach for tissues—it makes you wonder, “Wait… is this hay fever, or did I catch something ...

Hay fever, also called allergic rhinitis, is caused by an overactive immune response to harmless allergens. Here's a breakdown of hay fever causes, symptoms, and related factors:What Triggers Hay ...