Advances in understanding the pathogenic mechanisms of both rhinitis and chronic
rhinosinusitis have resulted in new treatment options, especially for chronic rhinosinusitis. A …

Allergic rhinitis (AR) is a prevalent chronic respiratory problem in the United States
associated with significant comorbidities and health care costs. Recent surveys suggest that …

Chronic nonallergic rhinitis encompasses a group of rhinitis subtypes without allergic or
infectious etiologies. Although chronic nonallergic rhinitis represents about one-fourth of …

This review focuses on the poorly understood condition of nonallergic rhinopathy (NAR) at a
clinical level, with an eye on current optimal treatment. The pathophysiology of this disease …

Allergic rhinitis and other rhinitis subtypes are increasingly becoming some of the most
prevalent and expensive medical conditions that affect the US population. Both direct health …

BACKGROUND: Patients with chronic allergic rhinitis (AR) and nonallergic rhinitis (NAR)
often experience irritant-induced symptoms. The clinical relevance of the magnitude of their …

Nonallergic rhinitis (NAR) conditions are currently considered diagnoses by exclusion. A
diagnosis of NAR requires negative specific IgE responses by skin or serologic testing and …

Background Although nonallergic rhinitis (NAR) patients tend to be more sensitive to
chemical/olfactory stimuli, a suprathreshold olfactory response or the presence of specific …

This study was designed to determine if patients with allergic rhinitis (AR) and mixed rhinitis
(MR) subtypes have similar treatment outcomes after a full course of allergen …

Background: Intranasal azelastine hydrochloride (Astelin®, Meda Pharmaceuticals,
Somerset, NJ, USA) is a first-line treatment for allergic and non-allergic vasomotor rhinitis …