PMID: 16634358Apr 26, 2006Paper

Allergic rhinitis. Coexistent diseases and complications. A review and analysis

Revista alergia Mexico : organo oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
José Antonio Sacre Hazouri

Abstract

Allergic rhinitis (AR) is rarely found in isolation and needs to be considered in the context of systemic allergic disease associated with numerous comorbid disorders, including asthma, chronic middle ear effusions, sinusitis, and lymphoid hypertrophy with obstructive sleep apnea, disordered sleep, and consequent behavioral and educational effects. The coexistence of allergic rhinitis and asthma is complex. First, the diagnosis of asthma may be confused by symptoms of cough caused by rhinitis and postnasal drip. This may lead to either inaccurate diagnosis of asthma or inappropriate assessment of asthma severity with over treatment of the patient. The term "cough variant rhinitis" is therefore proposed to describe rhinitis that manifest itself primarily as cough that results from postnasal drip. Allergic rhinitis, however, has also a causal role in asthma; it appears both to be responsible for exacerbating asthma and to have a role in its pathogenesis. Postnasal drip with nasopharyngeal inflammation leads to a number of other conditions. Thus sinusitis is a frequent extension of rhinitis and is one of the most frequently missed diagnoses. Allergen exposure in the nasopharynx with release of histamine and other mediators can cau...Continue Reading

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