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Ask the Allergist

Ask the Allergist

Does pollen lose its ability to trigger allergies?

AAFA's "Ask the Allergist" is a free service provided by the Asthma and Allergy Foundation of America (AAFA). Our allergist will answer your questions about asthma and allergies. We provide only general advice about managing asthma or allergies, medicines and treatments. "Ask the Allergist" does not answer questions about specific consumer products. This information is not a substitute for medical advice from your physician. Always talk with your doctor before changing your asthma or allergy management plan.

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Does pollen deteriorate or rot? Does pollen lose its ability to be an allergen over time?

Because it is organic, I would suspect pollen would break down over time. I recommend that you keep windows closed during pollen season. Run the HVAC with filters that can trap pollen and vacuum weekly. A visit with a board-certified allergist can also help. Discuss treatment options so you can live comfortably with allergic rhinitis.

Allergy, Pollen Allergy
Answered by

Douglas T. Johnston D.O. FAAAAI, FACAAI

Reviewed and Answered

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