RT Book, Section A1 Shah, Saurabh B. A1 Emanuel, Ivor A. A2 Lalwani, Anil K. SR Print(0) ID 1169074264 T1 Nonallergic and Allergic Rhinitis T2 Current Diagnosis & Treatment Otolaryngology—Head and Neck Surgery, 4e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9780071847643 LK accesssurgery.mhmedical.com/content.aspx?aid=1169074264 RD 2024/04/19 AB Rhinitis is defined as an inflammatory condition that affects the nasal mucosa. The symptoms of rhinitis include nasal obstruction, hyperirritability, and hypersecretion. Rhinitis can be caused by a variety of different allergic and nonallergic conditions (Table 14–1). The incidence of rhinitis seems to have increased since the Industrial Revolution. One in five Americans is estimated to be afflicted with rhinitis.