The allergic process is called atopy, and occurs when a person comes into contact with an allergen. The allergen sets off a cascade of events in the immune system that leads to inflammation and hyperreactivity in the airways.
Over-the-counter nasal sprays provide quick relief to millions of Americans suffering from a stuffy nose or sinus pressure, often brought on by allergies (aka "hay fever"). But did you know prolonged use of these sprays -- known as topical nasal decongestants (TNDs) -- often leads to addiction? Continue reading Decongestant Nasal Sprays:…