A yound boy when brough a pet dog home started to complain of watery eyes and running nose. The symptoms disappeared when the boy was kept away from the pet. (a) Name the type of antibody and the chemicals responsible for such a response in the boy. (b) Mention the name of any one drug that could be given to the boy for immediate relief from such a response.

Explanation

(a) Antibody produced is IgE while chemicals responsible for allergic response are histamine and serotonin.
(b) Antihistamines, steroids and adrenaline.