0 a substance that can cause an allergy (= condition of the body reacting badly to something) but is not harmful to most people -- （引起過敏反應的）變應原；過敏原
Treatment is avoidance of the allergen and topical steroids to settle the eczema.
These mite species contain several allergens with interspecies similarities which lead to immunological cross-reactivity.
This analysis identified homologues of 9 different types of allergens which have been characterized in other allergic conditions such as responses to house dust mites.
Molecular genetics of human immune responsiveness to pollen allergens.
Although milk allergens have been best studied, it is likely that only a minority of the circulating antigens are of dietary origin.
Is deficiency of interferon gamma production by allergen triggered cord blood cells a predictor of atopic eczema?
A prevention strategy may be allergen specific (antigen avoidance) or non-specific (environmental effect).
Conceptually, it has appeal for patients who are extremely sensitive to more than one allergen from any given source.
