Airborne pollen levels and drug consumption for seasonal allergic rhinoconjunctivitis: a 10-year study in France

Few time-series studies, and none lasting longer than 4 years, have investigated the etiology of treated seasonal allergic rhinoconjunctivitis (SAR) on the basis of anti-allergic medication prescriptions. The aim of this article was to study the short-term relationship between pollen exposure and drug-treated SAR over 10 years in an urban area in central France.A SAR case was defined as the association between an oral antihistamine and a local...