The Effects of Antidepressants on the Results of Skin Prick Tests Used in the Diagnosis of Allergic DiseasesIsik S.R. · Celikel S. · Karakaya G. · Ulug B. · Kalyoncu A.F.
aDepartment of Chest Diseases, Adult Allergy Unit and bDepartment of Psychiatry, School of Medicine, Hacettepe University, Ankara, Turkey
Background: Some drugs may cause false negative results by suppressing the reactivity of the skin prick tests (SPTs). The aim of this survey was to show whether escitalopram, fluoxetine and sertraline had any effect on the reactivity of SPT. Methods: Twenty-four patients who were admitted to the outpatient clinic of the Psychiatry Department at the Hacettepe University Hospital and planned to be treated by these antidepressants were included in the study between May and October 2008. SPTs with positive control (histamine), negative control and 3 common aeroallergens were performed in the beginning, at the first and fourth weeks. A questionnaire including 26 questions about respiratory symptoms and allergic diseases was filled in face to face by the fellow-in-training. The Visual Analog Scale (VAS) of current respiratory and nasal symptoms was recorded at all 3 visits. Results: There were no statistically significant differences between the 3 mean diameters measured at 3 time points in addition to the mean diameters of the wheals between groups using escitalopram, sertraline and fluoxetine (p > 0.05). There was a statistically significant decrease between the VAS of nasal symptoms at the 3 visits (p < 0.05). Conclusions: Escitalopram, fluoxetine and sertraline do not seem to affect the reactivity of SPTs. Nasal symptoms might have been decreased due to both the allergic treatment suggested and the end of the pollen season.
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