Other Causes of Rhinitis: Mixed Rhinitis, Rhinitis Medicamentosa, Hormonal Rhinitis, Rhinitis of the Elderly, and Gustatory Rhinitis

It is important to consider a comprehensive differential of possible rhinitis types when considering the diagnosis of chronic rhinitis, including at least 9 subtypes of nonallergic rhinitis: drug-induced rhinitis, gustatory rhinitis, hormonal-induced rhinitis, infectious rhinitis, nonallergic rhinitis with eosinophilia syndrome, occupational rhinitis, senile rhinitis, atrophic rhinitis, and nonallergic rhinopathy. This article focuses on some of the most common types of chronic rhinitis, including mixed rhinitis (allergic and nonallergic overlap), rhinitis medicamentosa, hormonal rhinitis, rhinitis of the elderly, and gustatory rhinitis.