Allergy and Immunology is a medical speciality that focuses on the diagnosis and treatment of allergies and disorders of the immune system.

Diseases are typically treated by an allergist/immunologist and these include ocular allergy (allergic diseases of eye), sino nasal allergy (allergic diseases of nose /sinuses), asthma, skin allergy, food allergy, allergic blood and systemic disorders, allergy to medications and immunodeficiency disorders.