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When do allergies occur?

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If you have allergies, you'll start feeling symptoms soon after you come into contact with the stuff you're allergic to. Your symptoms keep up as long as you're still surrounded by those triggers.

Allergies can happen any time of year. They may be "seasonal," which means you get them only in the spring or fall. Or they may be year-round. For instance, you might be allergic to pets or mold, which can be a problem no matter the season.

From: Is It Sinusitis or Allergies? WebMD Medical Reference

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Colds, Allergies and Sinusitis -- How to Tell the Difference," "Allergy Shots (Immunotherapy)."

American College of Allergy, Asthma & Immunology: "Sinus Information," "Allergy Medication," "Allergy Medication," "Seasonal Allergies."

Bela B. Faltay, MD, Akron General Health System.

Reviewed by Sabrina Felson on March 21, 2018

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Colds, Allergies and Sinusitis -- How to Tell the Difference," "Allergy Shots (Immunotherapy)."

American College of Allergy, Asthma & Immunology: "Sinus Information," "Allergy Medication," "Allergy Medication," "Seasonal Allergies."

Bela B. Faltay, MD, Akron General Health System.

Reviewed by Sabrina Felson on March 21, 2018

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