Allergy to mold – animal dander – dust

Alternative Names

Indoor allergies; Pet allergies; Dust allergies; Mold allergies; Animal dander allergy

Definition of Allergy to mold – animal dander – dust

Allergy-related symptoms can occur after you are around mold, certain animals or animal hair, dust, and other substances. These substances are usually found indoors and do not cause symptoms for most people.

Causes, incidence, and risk factors

occurs when the immune system over-reacts to substances (allergens) that are usually harmless.

Signs and tests

The doctor will perform a physical exam and ask you questions about your symptoms. The history of symptoms is important in diagnosing allergies, including whether the symptoms vary according to time of day or the season and possible exposures such as having a pet in the household.


The best treatment is to avoid being around molds, dander, dust.

Expectations (prognosis)

Most symptoms of allergies to mold, dander, and dust can be readily treated, and regular treatment can minimize the symptoms.


Paula J. Busse, MD, Assistant Professor of Medicine, Division of Clinical Immunology, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 6/29/2010

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ADAM Medical Encyclopedia

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