Allergic rhinitis: evidence-based practice.

Allergic rhinitis is a common condition in Singapore, with a considerable disease burden. This article reviews the latest evidence-based concepts and current understanding of the disease, including its aetiology, pathogenesis, signs and symptoms, investigations as well as management. Particular attention is given to reviewing principles that will aid the management of this disease from a practical point of view, and the latest evidence for the various pharmacological options as well as immunotherapy is discussed. The article should be of interest to otolaryngologists as well as allergists, respiratory physicians and family practitioners.