Â© 2015-2018 PwC. All rights reserved. PwC refers to the PwC network and/or one or more of its member firms, each of which is a separate legal entity. Please see www.pwc.com/structure for further details. Terms and conditions Privacy Statement Cookies info Legal Disclaimer
Types Of Allergic Disease. Common Allergic Diseases Include: Allergic rhinitis or hay fever.In the U.S., approximately 35 million people suffer from this disease, which is characterized by sneezing, congestion, itching and dripping of the nose and itchy, watery eyes.
Hay fever facts. 1  Hay fever (allergic rhinitis) is a common allergic condition. 2  Symptoms of hay fever mimic those of chronic colds. 3  The best way to treat an allergy condition is to identify the allergic trigger and avoid it. 4  Histamine is a key chemical cause of allergic rhinitis and other allergic reactions.