This article originally appeared in The Doctors

Spring is officially here, and for millions of Americans, so are allergies. Dr. Ordon explains that an allergy is a sensitivity of the immune system to a certain substance that is normally harmless. While some allergic reactions can be life-threatening, the typical seasonal allergies are more of a nuisance, producing itchy, watery eyes, runny noses and frequent sneezing.

Whether it’s pollen, dust, animal dander or something else entirely, the particular substance that causes an allergic reaction is known as an allergen or a trigger. Get tips to control your triggers from allergy specialist Dr. Robert Eitches.

Spring Allergy Tips