from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or caused by a hereditary predisposition toward developing certain hypersensitivity reactions, such as hay fever, asthma, or chronic urticaria, upon exposure to specific antigens: atopic dermatitis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of a hereditary predisposition towards developing hay fever and other allergic reactions.


From Greek atopiā, unusualness, from atopos, out of the way : a-, not; see a-1 + topos, place.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἀτοπία (atopia), from ἄτοπος (atopos), from α- (a-) + τόπος (topos, "place"). (Wiktionary)


  • Currently, there is ongoing clinical research in atopic dermatitis and food allergy.

    Pediatric Allergy and Immunology Fellowship

  • It's most common in babies and children and is sometimes called atopic dermatitis.

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  • When quantitatively assessed by the CAP System FEIA, cow’s milk specific IgE antibody titres of over 32 kU/l have been reported to predict IgE-mediated CMA with as high as 95% certainty in atopic patients (Sampson & Ho 1997).

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  • Now, the term eczema usually refers to atopic eczema, or atopic dermatitis (atopic means “allergic”), which is a complex genetic disorder that results in defective skin barriers, reduced innate skin immune responses, and exaggerated immune (T cell) responses to environmental allergens that lead to chronic skin inflammation.

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  • The Merck Manual of Diagnosis and Therapy generally defines these concerns as Type I Hypersensitivity disorders, which are also sometimes called atopic allergies.

    Buyers with hypersensitivity disorder should raise their concerns early

  • Asthma can also be classified as atopic (extrinsic) or non-atopic (intrinsic).

  • A: Eczema, also known as atopic dermatitis, is a skin inflammation that may be red, itchy, crusty or blistered.

    The Seattle Times

  • More and more people suffer from atopic dermatitis, which is also known as atopic or infantile eczema.

    Medlogs - Recent stories

  • Eczema, also known as atopic dermatitis, is a chronic inflammation of the skin.

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  • Eczema, also known as atopic dermatitis (AD), is one of the first signs of allergy during the early days of life and is said to be due to delayed development of the immune system.

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