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What are allergens?

Dr. Jeanne Morrison, PhD
Family Practitioner

Allergens are substances that cause an allergic response. Examples include pollen, molds, and certain foods.

This answer is based on source information from the National Cancer Institute.

Antigens that cause an allergic reaction are called allergens. Some common allergens include bee or insect venom, certain antibiotics, pollen, animal dander, and sulfa drugs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.