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Allergen
Definition
An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.
Information
Common allergens include:
- Animal proteins and animal dander
- Bacteria and viruses
- Chemicals
- Dust
- Drugs (such as antibiotics or medications you put on your skin)
- Foods (such as milk, chocolate, strawberries, wheat)
- Perfumes
- Plants
- Pollen
- Smoke
See also:
Review Date:
2/17/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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