Differences and Similarities between Allergic and Nonallergic Rhinitis in a Large Sample of Adult Patients with Rhinitis Symptoms

Di Lorenzo, Gabriele; Pacor, Maria Luisa; Amodio, Emanuele; Leto-Barone, Maria Stefania; La Piana, Simona; D’Alcamo, Alberto; Ditta, Vito; Martinelli, Nicola; Di Bona, Danilo

doi:10.1159/000320050

Differences and Similarities between Allergic and Nonallergic Rhinitis in a Large Sample of Adult Patients with Rhinitis Symptoms

Background: Allergic rhinitis (AR) and nonallergic rhinitis (NAR) may present with different clinical and laboratory characteristics. Methods: A total of 1,511 consecutive patients, aged 18–81 years, diagnosed with rhinitis, 56% females and 44% males, underwent complete allergic evaluation includ…