allergic response

Translations
аллергический ответ
The body can have an allergic response to certain foods.
Организм может дать аллергический ответ на определенные продукты.
Definitions
An allergic response is a hypersensitive reaction of the immune system to a substance (allergen) that is typically harmless to most people, resulting in symptoms such as itching, swelling, hives, difficulty breathing, or anaphylaxis.