allergen


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to allergen: Allergen immunotherapy

allergen

any substance capable of inducing an allergy

allergen

[′al·ər‚jen]
(immunology)
Any antigen, such as pollen, a drug, or food, that induces an allergic state in humans or animals.
References in periodicals archive ?
Table 4 compares the positive results of different concentrations of aqueous extracts of allergen with the acetone extract, the gold standard.
3], a process that allowed them to match sensitization to exposure to seasonal allergens.
But if you already have one, then adding another dog (or a whole pack) doesn't seem to make any difference in allergen levels.
When there is no dog in the home, children with a positive skin prick test for dog allergen had an almost fourfold greater risk of eczema (OR, 3.
Allergy UK has awarded Aerstream Technology's Cleanaer product its highest accolade, the British Allergy Foundation Seal of Approval for the reduction of house dust mite and cat allergens.
Dogs don't respond to allergens (substances that can cause the immune system to respond with allergic reactions) in quite the same way that we do.
The allergen they noticed most often on ingredient lists was milk (61%), followed by peanuts (55%), tree nuts (38%), egg (31%), wheat (21%), soy (21%), and "other" (6%).
Samples were assayed for dust mite allergens, Dermatophagoides pteronyssinus (Der p 1) and Dermatophagoides farinae (Der f 1), cat allergen Felis domesticus (Fel d 1), and cockroach allergen Blatella germanica 2 (Bla g 2).
Combination allergens are clusters of substances to which an individual is allergic.
Most homes had levels of dog and cat allergen that exceeded the threshold for allergic sensitization, while about one-third of homes had allergen levels high enough to produce asthma symptoms.
If medication and avoidance measures fail, you may be a candidate for allergen immunotherapy (allergy shots), in which you are injected with the allergens to which tests show you are sensitive.