Allergic sensitisation in elderly patients with rhinitis.

Methods The study included patients older than 65 years with rhinitis and an ageand gender-matched control group. Skin prick tests (SPT) with inhalant allergens (house dust mites, Alternaria, trees pollen, grass pollen, ragweed and mugwort pollen, animal dander) were performed on all the subjects. Detailed medical history was obtained and a questionnaire inquiring about the severity of symptoms, medication, family history of atopy was administered.