title: [The sweet Christmas rash].
abstract: Christmas tree hypersensitivity is a rare condition, which has so far obtained scarce attention in the medical literature. We present two clinical cases of hypersensitivity associated with Christmas tree exposure, a 51-year-old woman with allergic contact dermatitis and a 41-year-old man with allergic rhinitis. The female patient had a positive patch test reaction to colophony, and the male patient had a positive skin prick test reaction to alternaria mould. Both were successfully advised to avoid prolonged exposure to Christmas trees and buy artificial trees for Christmas.
authors.affiliation: Hud- og allergiafdelingen, Gentofte Hospital, Niels Andersens Vej 65, 2900 Hellerup. mette.gyldenloeve@regionh.dk
authors.forename: Mette
authors.initials: M
authors.lastname: Gyldenløve
authors.forename: Steen
authors.initials: S
authors.lastname: Nepper-Christensen
authors.forename: Jacob P
authors.initials: JP
authors.lastname: Thyssen
authors.forename: Annesofie
authors.initials: A
authors.lastname: Faurschou
mesh_terms: D000328:Adult; D000528:Alternaria / Q000276:immunology*; D017449:Dermatitis, Allergic Contact / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D028222:Picea / Q000276:immunology*; D012116:Resins, Plant / Q000009:adverse effects*; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*
chemical_list: D012116:Resins, Plant; C013893:rosin