What are aeroallergens?

Updated: Jul 07, 2019
  • Author: Bhumika Patel, MD; Chief Editor: Michael A Kaliner, MD  more...
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Both outdoor and indoor aeroallergens sensitize and exacerbate allergic asthma, and more than 90% of the average person's time in developed countries is spent indoors. Major indoor aeroallergens are derived from dust mites (see the image below), cockroaches, cat, dog, and other furry-animal debris, and fungi.

Electron photomicrograph of Dermatophagoides farin Electron photomicrograph of Dermatophagoides farinae.

See All About Allergies: Be Ready for Spring, a Critical Images slideshow, to help identify a variety of allergens and symptoms.

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