View source for 23. Epidemiology and prevention of allergic rhinitis

* Epidemiology
** Prevalence 10 – 30% of industrialized countries
** Most frequent disease among children and teens
*** 80% of cases 0 – 20 years
** Prevalence increasing, especially in urban areas
* Forms
** Seasonal – outdoor allergens
*** Pollen
**** Ragweed
**** Grass
**** Tree
*** Mold
**** Fungus
** Perennial – indoor allergens
*** Pets
*** Dust
*** Mites
*** Molds
* Etiology
** Second hand smoke
** Exposure to allergens
** Atopy or family history of it
** Male gender
** Urbanization
* Prevention
** Breastfeeding
** Elimination, avoiding allergen
*** Avoid dust mites
**** Reduce indoor humidity
**** Wash bed sheets
**** Use bedding encasements
** Medical treatment

[[Category:Public health 5 - Detailed epidemiology]]