wheal-and-erythema reaction
wheal-and-er·y·the·ma re·ac·tion
the characteristic immediate reaction observed in an allergy skin test; within 10-15 minutes after injection of antigen (allergen), an irregular, blanched, elevated wheal appears, surrounded by an area of erythema (flare).
Synonym(s): wheal-and-flare reaction
Farlex Partner Medical Dictionary © Farlex 2012
wheal-and-er·y·the·ma re·ac·tion
(wēl er'i-thē'mă rē-ak'shŭn)The characteristic immediate reaction observed in the skin test; within 10-15 minutes after injection of antigen (allergen), an irregular, blanched, elevated wheal appears, surrounded by an area of erythema (flare).
Synonym(s): wheal-and-flare reaction.
Synonym(s): wheal-and-flare reaction.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012