Symptoms overlap – but the underlying causes and therapy selection are entirely different
Allergic rhinitis is over-diagnosed: among patients diagnoses as having allergic rhinitis and prescribed non-sedating antihistamines (NSAs), approximately 65% are not allergic
Differentiation between allergic and non-allergic rhinitis requires evaluation for specific IgE antibodies
Results of 2 studies
Without specific IgE testing, allergic rhinitis is the presumptive diagnosis
The majority of patients presenting with rhinitis symptoms are not allergic