Rhinology and Allergy
Rhinology defines as the study of nose, including the sinuses. Rhinology concerns itself with medical and surgical diseases of the nasal passages as well as paranasal sinuses. It is becoming more important after the introduction of nasal endoscopes. Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment that usually causes little or no problem in most people. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Symptoms may include red eyes, an itchy rash, runny nose, shortness of breath, or swelling. Allergies are common. In the developed world, about 20% of people are affected by allergic rhinitis; about 6% of people have at least one food allergy.