Simultaneous contact dermatitis caused by Asteraceae and Verbascum thapsus.

A 12-year-old girl presented with a history of scattered, pruritic papules and vesicles every summer for the last 5 years. The dermatitis appeared on exposed areas of her skin, and her father associated contact with plants at a camp with the eruption. She had a personal history of eczema, and in the past had had positive prick test reactions to commonallergens, but shewas free of rhinitis symptoms. She presented with her father for patch testing, having brought samples of the suspected culprit plants, which had been kept frozen. These were properly identified. Patch testing was performed with the North American Contact Dermatitis Group (NACDG) baseline series (AllergEAZE, SmartPractice, Calgary, Canada), a plant series (Chemotechnique Diagnostics, Vellinge, Sweden), and pieces of leaves and flowers of the personal plant samples. The latter included Verbascum thapsus (common