Allergy season can be miserable for tens of millions of Americans when trees, grass, and other pollens cause runny noses, itchy eyes, coughing and sneezing.

Grass and tree pollen counts are at very high levels, and those are the allergens affecting people and causing symptoms of coughing, sneezing and stuffy heads.

Allergy season can be miserable for tens of millions of Americans when trees, grass and other pollens cause runny noses, itchy eyes, coughing and sneezing. Where you live, what you’re allergic to and ...