ALLERGIC RHINITIS

ALLERGIC RHINITIS is a topic covered in the Harrison's Manual of Medicine.

To view the entire topic, please or purchase a subscription.

Harrison’s Manual of Medicine 19th edition provides 600+ internal medicine topics in a rapid-access format. Download Harrison’s App to iPhone, iPad, and Android smartphone and tablet. Explore these free sample topics:

Harrison’s Manual of Medicine - App + Web

-- The first section of this topic is shown below --

DEFINITION

Characterized by sneezing; rhinorrhea; obstruction of the nasal passages; conjunctival, nasal, and pharyngeal itching; and lacrimation, all occurring in a temporal relationship to allergen exposure. Prevalence in North America is ~20% with a peak prevalence ~40% occurring in childhood and adolescence. Perennial allergic rhinitis occurs in response to allergens that are present throughout the year such as house dust (containing dust mite antigens) and animal danders.

-- To view the remaining sections of this topic, please or purchase a subscription --