
1) Causes of catarrh 2) Causes of some breakouts 3) Dander and dust, often 4) Reaction causers 5) Sneeze causers 6) They can cause eruptions 7) They may get bad reactions 8) They might make you tear up
Found on
https://www.crosswordclues.com/clue/allergens

Antigenic substances capable of producing immediate type hypersensitivity (allergies)
Found on
http://www.encyclo.co.uk/local/20667

Antigenic substances capable of producing immediate-type hypersensitivity (hypersensitivity, immediate). ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

(al;er-jenz) Antigens that evoke an allergic response rather than a normal immune response.
Found on
http://www.mhhe.com/biosci/abio/glossary.mhtml

Antigens that provoke an allergic reaction.
Found on
https://www.encyclo.co.uk/local/21571

Allergens are materials (such as pollen, pet dander, foods, or dust) that cause allergic responses. Allergic diseases such as asthma and hay fever, which flare quickly, are easy to tie to allergens. Allergic symptoms, such as itching and hives, appear soon after exposure to airborne allergens and last only briefly. But the slower, continuing, chron...
Found on
https://www.soothems.com/pages/dermatology-glossary-of-terms
No exact match found.