(a) The following are the steps to minimize the above allergic response :
1. Providing a less protected environment in early childhood.
2. Avoiding exposure to allergens like mites in dust, pollens, animal dander etc.
3. Use of drugs like anti-histamine, adrenalin and steroids.
4. Exposing the patient to small does of possible allergens and studying possible allengens and studying possible reactions.
(b) Mites in dust and pollens are allergens.The human body responds to them by producing IgE antibodies and releasing chemicals like histamine and serotonin from most cells.