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Allergies Health Center

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Is It Pollen, or Something Else?

If your symptoms happen every so often in spring, summer, or early fall, you may have seasonal allergies. Tree pollen is a problem in spring, grass pollen in late spring and summer, and weeds in fall.

If you have symptoms year-round, you may be allergic to dust mites, pet dander, or mold and mildew. Mold spores can also be a problem outdoors, usually when weather is warm and humid.

Recommended Related to Allergies

Regional Allergies

Q: Atlanta is beautiful in the spring, but my allergies are so bad! Will moving to the desert make them go away? A: Ragweed and grass pollens are triggers that are difficult to avoid almost everywhere in the continental United States during the spring and summer. Although much of Arizona and New Mexico is arid, most people in the cities, suburbs, and small towns grow grass for lawns. Plus, the land has been disturbed by construction and landscaping, so weeds are widespread. Las Vegas, Tucson,...

Read the Regional Allergies article > >

It’s possible to have both kinds of allergies. Your allergist can help you figure out more exactly what you’re allergic to.

WebMD Medical Reference

Reviewed by Jennifer Robinson, MD on December 02, 2014

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