Cross-reactivity with Tagetes in Arnica contact eczema.
A 69-year-old patient, with known mercury and adhesive plaster allergy, developed facial dermatitis within 24 h of contact with arnica (Arnica). Skin testing showed positive reactions to arnica and, among various other plants of the Compositae, also to Tagetes sp. hybr. (marigold). Cross-reactivity between Tagetes and arnica has not previously been described.
Dermatologic and Pediatric Allergy Clinic, Vienna, Austria.
C
C
Pirker
T
T
Möslinger
D Y
DY
Koller
M
M
Götz
R
R
Jarisch
D000368:Aged; D003877:Dermatitis, Contact / Q000175:diagnosis / Q000209:etiology* / Q000276:immunology; D005148:Facial Dermatoses / Q000175:diagnosis / Q000209:etiology* / Q000276:immunology; D006801:Humans; D008297:Male; D010328:Patch Tests; D010936:Plant Extracts; D010939:Plant Poisoning / Q000175:diagnosis / Q000209:etiology* / Q000276:immunology; D010946:Plants, Medicinal; D010947:Plants, Toxic
D010936:Plant Extracts