delayed allergy

• Tipo de reacción alérgica que aparece varias horas o días después del contacto con el alérgeno, mediada por células T y no por anticuerpos, observada a menudo en la dermatitis de contacto.

A type of allergic reaction that occurs hours to days after exposure to an allergen, mediated by T-cells rather than antibodies, commonly seen in contact dermatitis.

1. Type IV hypersensitivity reactionC1formal

   An allergic reaction that occurs hours to days after exposure to an allergen, mediated by T-cells rather than antibodies.

   reacción de hipersensibilidad de tipo IV (alergia retardada)

   • Contact dermatitis from poison ivy is a classic example of a delayed allergy.
   • The patient developed a delayed allergy to the medication, with a rash appearing 48 hours later.
   • Tuberculin skin tests work by triggering a delayed allergic response.