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Reverse Search
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| allergen |
any substance capable of causing an allergic reaction. |
| allergenic |
capable of causing an allergic reaction. |
| anaphylaxis |
extreme allergic reaction to a substance, typically a foreign protein or drug, following a previous exposure to the same substance. |
| atopic |
of or relating to a genetic tendency to develop allergic reactions. |
| atopy |
a genetic tendency to develop allergic reactions that is typically associated with a heightened immune response to certain allergens. |
| dander |
flaky scales of skin, feathers, or fur that may cause allergic reactions. [1/2 definitions] |
| hay fever |
an allergic reaction to plant pollen, characterized by mucus from the nose, sneezing, and headache. |
| histamine |
an organic crystalline compound, produced esp. during an allergic reaction, that lowers blood pressure, dilates blood vessels, and increases stomach secretions. (Cf. antihistamine.) [1/2 definitions] |
| hives |
(used with a sing. or pl. verb) a mild illness characterized by the eruption of small, itchy bumps on the skin, often as an allergic reaction. |
| hypersensitive |
sensitive or allergic to something that does not bother most people. [1/2 definitions] |
| hypoallergenic |
unlikely to cause an allergic reaction. |
| nonallergic |
combined form of allergic. |
| patch test |
a test for allergic reaction in which the suspected allergen is applied to the skin on a small piece of cloth and the skin is observed for inflammatory reaction. |
| rose fever |
a form of hay fever that occurs in spring or early summer as an allergic reaction to rose pollen. |
| scratch test |
a test for allergy in which the skin is scratched and one or more suspected allergens are applied to the scratches, with eventual inflammation indicating an allergic reaction. |
| urticaria |
a temporary skin disorder, often caused by an allergic reaction or stress, and characterized by pale, irregular, itching welts; hives. |
| welt |
a raised ridge or bump on the skin, caused by a cut or blow, as from a whip, or by an allergic reaction; weal. [1/5 definitions] |
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