Contact urticaria from nickel and plastic additives (butylhydroxytoluene, oleylamide).

摘要: In two patients urticaria was elicited by contact with nickel-containing objects. Chamber-prick test nickel sulfate 2.5% in pet. evoked a strong urticarial reaction both patients. In one of the plastic articles also provoked urticaria. A 20-min patch several (polyethylene and PVC) butylhydroxy-tolutme (BHT) 1 % ethanol reactions. BHT is used as an antioxidant plastic. Furthermore, open oleylamide (amide oleic acid) 0.1 20 min. This chemical slipping agent