See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
immediate hypersensitivity(medicine)
Hypersensitivity(medicine)
Hypersensitivity(health)
hypersensitivity, immediate(medicine)
immediate hypersensitivity reaction(medicine)
hypersensitivity vasculitis(medicine)
hypersensitivity reaction(medicine)
contact hypersensitivity(medicine)
delayed hypersensitivity(medicine)

Hypersensitivity (medicine)


hypersensitivity
<immunology> A state of altered reactivity in which the body reacts with an exaggerated immune response to a foreign substance. Hypersensitivity reactions are classified as immediate or delayed, types I and IV, respectively, in the Gell and Coombs classification of immune responses.