Pollen allergies are brutal this year – a doctor explains why, and how to find relief

Two big factors influence the length of the allergy season and how bad people’s allergies will be, and both are expanding.

By: Levi Keller, University of Colorado Anschutz Medical Campus, The Conversation

Outlets: The Conversation

Published: May 5, 2026

Words: 1,177

Last Updated: 2 months, 3 weeks ago

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By Levi Keller, University of Colorado Anschutz Medical Campus

Spring means beautiful flowers, fragrant lilacs – and lots of tree pollen coating cars and setting off sneezing, wheezing and headaches.

As an allergist and immunologist at the University of Colorado School of Medicine, I help patients with seasonal allergies and associated allergic diseases manage their conditions, and one question comes up year in and out: Will this season be worse than last year?

With a …

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