When discussing respiratory conditions, most people think of those diseases affecting the lungs or lower airway. However, the conditions affecting the upper airway are also significant in respiratory disease. Sinusitis is one of the most commonly diagnosed diseases, affecting nearly 37 million Americans and allergic rhinitis nearly 40 million.

Sinusitis
Sinusitis is an inflammation of one or more of these paranasal sinuses often due to an infection or allergic reaction.

Nasal Allergies or allergic rhinitis
Nasal allergies or allergic rhinitis is an inflammation of the nose due to an allergic reaction.

Non-allergic rhinitis
Non-allergic rhinitis is an inflammation of the nose that is not triggered by an allergen.