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 20th 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

-- 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 10–20% with a peak prevalence >30% occurring in the fifth decade. Commonly seasonal due to triggering by airborne pollens; can be perennial in response to allergens present throughout the year such as house dust mites and animal danders.

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