Dictionary:

hyposensitize

  (hī'pō-sĕn'sĭ-tīz')

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To make less sensitive, as to an allergen; desensitize.

To make less sensitive, as to an allergen.

Decreasing the hypersensitivity response to allergens by exposure, usually as intradermal injections, to minute but increasing doses of the allergens. A treatment modality for atopic dermatitis, most commonly in dogs, cats and horses. Called also desensitization. See also immunotherapy.