hypersensitivity(redirected from Allergic reactions)
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Related to Allergic reactions: hives
1. Highly or excessively sensitive.
2. Responding excessively to the stimulus of a foreign agent, such as an allergen.
hy′per·sen′si·tive·ness, hy′per·sen′si·tiv′i·ty n.
hy′per·sen′si·tize′ (-tīz′) v.
extreme or abnormal sensitivity, as to criticism. — hypersensitive, adj.See also: Psychology
extreme or abnormal sensitivity, as to criticism. — hypersensitive, adj.See also: Attitudes
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|Noun||1.||hypersensitivity - pathological sensitivity|
hypersensitivity reaction - an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock
|2.||hypersensitivity - extreme sensitivity|