A genetically determined state of hypersensitivity to environmental allergens. A genetically determined state of hypersensitivity to environmental allergens.
Medical Definition of ATOPY. : a genetic disposition to develop an allergic reaction (as allergic rhinitis, asthma, or atopic dermatitis) and produce elevated levels of IgE upon exposure to an environmental antigen and especially one inhaled or ingested. Definition of ATOPY. : a probably hereditary allergy characterized by symptoms (as asthma, hay fever, or hives) produced upon exposure especially by inhalation to the exciting environmental antigen. — atop·ic \(ˌ)ā-ˈtae-ˈtä, -pik-\ ˈtō. ADJECTIVE. advertisement Non-atopic asthma: Introduction. Non-atopic asthma: Non-atopic asthma refers to inflammation and constriction of the airways that is not caused by exposure to an allergen. The severity of symptoms is variable. More detailed information about the symptoms, causes, and treatments of Non-atopic asthma is available below.  a·top·ic. adj. Of, relating to, or caused by a hereditary predisposition to developing allergic reactions, such as hay fever, asthma, or urticaria, after exposure to specific antigens such as pollen, food, and insect venoms. The atopic family of conditions by The Mirror (London, England). com has added a new market research report: PharmaPoint: Dermatitis-US Drug Forecast and Market Analysis to 2022 http://www. See atopic. A state of increased sensitivity to common antigens (e.g., house dust, animal dander, pollen) with increased production of allergen-specific IgE. Atopy may have a hereditary component, given the increased susceptibility to hay fever, asthma and eczematoid dermatitis. Clinical immunology A state of ↑ sensitivity to common antigens–eg, house dust, animal dander, pollen, with ↑ production of allergen-specific IgE; atopy may have a hereditary component as there is ↑ susceptibility to hay fever, asthma, atopy. a clinical hypersensitivity state or allergy with a hereditary predisposition; the tendency to develop an allergy is inherited, although the specific clinical form (such as hay fever or asthma) is not. The antibody reagin is involved. Called also atopic, hereditary, or spontaneous allergy. Clinical immunology A state of ↑ sensitivity to common antigens–eg, house dust, animal dander, pollen, with ↑ production of allergen-specific IgE; atopy may have a hereditary component as there is ↑ susceptibility to hay fever, asthma, and eczematoid dermatitis. Figure 1: Click to Enlarge. Atopic dermatitis (Fig. 1) and hereditary eczema are interchangeable terms for an inflammatory condition of the skin characterized by erythema, pruritus, scaling, lichenification, and papulovesicles.  2. pertaining to atopy. atopic asthma. see allergic asthma. atopic dermatitis. called also atopic disease, allergic inhalant dermatitis. See canine atopy. atopic disease. see atopic dermatitis (above). atopic rhinitis. see enzootic nasal granuloma, atopy.  atopy. Definitions: 1. A genetically determined state of hypersensitivity to environmental allergens. Type I allergic reaction is associated with the IgE antibody and a group of diseases, principally asthma, hay fever, and atopic dermatitis. The definition information for atopy is provided by Stedman's. 
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