During an allergic condition,which hormone is secreted?

In case of severe allergy and cough,the physician advises the patient to get the blood checked. What is expected in the blood smear report?

Select the incorrect statement $w.r.t.$ allergy.

Which of the following is a consistent group?

Hypersensitivity towards any foreign material or particle is known as

Which drugs are responsible for the relief of allergies?