Background: Compositae plant sensitization in children is relatively frequent. From 1995-2006, we found a prevalence of 1.8% sesquiterpene lactone (SL) mix/parthenolide patch test positives among consecutive eczema patients <18 years.
Objectives: To report the results of patch test screening for Compositae sensitization in patients <18 years in the last 13 years.
Methods: Children and adolescents <18 years, diagnosed with Compositae sensitization between 2007 and 2019, were included.
Results: Among 388 children tested, 12 (3%) were Compositae-sensitized, and 11 (2.8%) had positive reactions to SL mix. Compositae mix 5% pet. elicited positive reactions in six of seven patients tested, and dandelion extract 2.5% pet. in six of 10 patients tested. The mean age of the five girls and seven boys was 9.4 years and 11.7 years, respectively. Eleven children had a personal and one a family history of atopy, and 11 children had hand eczema. Only two were mono-sensitized to Compositae.
Conclusions: SL mix is a suitable screening agent among children and adolescents in our area, well supplemented with Compositae mix 5% and dandelion extract. The study emphasizes the importance of Compositae screening in children with a personal and/or family history of atopy, hand eczema or widespread airborne dermatitis, summer exacerbation, and plant exposure.
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