Allergic rhinitis affects 20–30% of the population. It reduces quality of life and school and work performance and is a frequent reason for office visits in general practice. Medical costs can be large, but avoidable costs associated with lost work productivity are even larger than those incurred by asthma.
Respiratory tract infections represent some of the most commonly seen conditions in primary care. Although the majority of upper respiratory infections are self-limiting in nature, many patients still present to their doctor, often seeking relief from symptoms such as persistent pain from a sore throat.