The antibodies produced during allergy are

Allergy is a condition in which the immune system overreacts to antigens found in the environment. Allergens are the compounds that cause this type of immunological response. IgE antibodies are generated in response to them. IgE attaches to mast cells, causing them to produce chemicals such as histamine and serotonin, marking the start of an allergic reaction.

Dust mites, pollens, and animal dander are examples of common allergens.