title: Contact dermatitis from Primula obconica Hance.
abstract: 15 cases of contact dermatitis to Primula obconica Hance are reported, 14 female and 1 male. None were of occupational origin. The incidence among our patients increased from 0.45 to 3.4% when we included an ether extract of primula in our standard series. A doubtful patch test reaction was found in 19.6% of the patients tested. Active sensitization was observed in 5 of 20 patients retested 1-16 months later.
mesh_terms: D003877:Dermatitis, Contact / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D010944:Plants; D013030:Spain