title: Vitamin C allergy of the delayed type.
abstract: A case of vitamin C allergy of the delayed type is reported. Eczematous skin lesions appeared during normal uptake of the vitamin C contained in food. After a vitamin C-free diet, the skin lesions disappeared. Patch tests and an oral exposure with vitamin C gave positive reactions. This observation of vitamin C allergy is compared with previous published cases.
mesh_terms: D001205:Ascorbic Acid / Q000009:adverse effects*; D003877:Dermatitis, Contact / Q000188:drug therapy / Q000209:etiology*; D004485:Eczema / Q000139:chemically induced; D005448:Fluocortolone / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D005448:Fluocortolone; D001205:Ascorbic Acid