immediate hypersensitivity


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immediate hypersensitivity

[i′mē·dē·ət ‚hī·pər·sen·sə′tiv·əd·ē]
(immunology)
A type of hypersensitivity in which the response rapidly occurs following exposure of a sensitized individual to the antigen.
References in periodicals archive ?
Although systemic reaction in IDT is reported in up to 10% of patients with immediate hypersensitivity to antibiotics, we did not experience any.
The immediate hypersensitivity reaction caused by mango can result in a lifethreatening event.
While testing the reaction to household allergens, moderate positive immediate hypersensitivity reaction was caused by the dog fur in 66.
However, administration should be delayed among women with moderate or severe acute illness, and those with a history of immediate hypersensitivity or severe allergic reaction to yeast or any vaccine component should not receive it, ACIP recommended.
Most dogs show immediate hypersensitivity with the primary clinical sign being itchiness.
Cross-reactivity and tolerability of cephalosporins in patients with immediate hypersensitivity to penicillins.
Type I IgE-mediated allergies represent an immediate hypersensitivity to actual latex proteins and include two subgroups.
Objective clinical and laboratory studies of immediate hypersensitivity reactions to food in asthmatic children.
Type I immunoglobulin E (IgE)--mediated allergies represent an immediate hypersensitivity to actual latex proteins.
If the individual has mast cells under their skin sensitized with IgE specific for the allergen, an immediate hypersensitivity wheal and flare (eg, hive) response will develop within 15 to 20 minutes.

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