any substance, often a protein, that induces an : common allergens include pollen, gr-sses, dust, and some medications.
any substance capable of inducing an allergy

substance causing allergy, 1912, from allergy on model of antigen.

allergen al·ler·gen (āl’ər-jən)

a substance, such as pollen, that causes an allergy.

see antigen.

al’ler·gen’ic (-jěn’ĭk) adj.
a substance, such as pollen, that causes an allergic reaction.

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    causing allergic sensitization.

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    causing allergic sensitization.

  • Allergic

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