COPD, Asthma, Pulmonary Slideshows | Treatment & Diseases
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NAR has several subtypes. The most common is vasomotor rhinitis, which was the first form identified and has been reported to comprise >70% of NAR cases.5 Vasomotor rhinitis is thought to occur secondary to disturbed regulation of the parasympathetic and sympathetic systems, resulting in vasodilation and edema of the nasal vasculature (Table 1).6-8 Less common forms of NAR include infectious rhinitis, occupational rhinitis, hormonal rhinitis, drug-induced rhinitis, gustatory rhinitis, and NAR with eosinophilia syndrome.

Nonallergic rhinitis: What clinicians should know

Rhinitis is an irritation or inflammation of the nasal mucous membranes. It can be caused by infectious pathogens, irritants, or allergens. Allergic rhinitis (AR), which is triggered by allergens such as dust, mold, and pollen, is the most common form, affecting 10% to 30% of persons worldwide.1 In the United States, this translates to approximately…
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