“…Systemic contact dermatitis, with clinical presentations of dyshidrotic reaction, flare of eczema or patch test, erythema multiforme, vasculitis or generalized eruption, like the baboon syndrome (1-3), has been described mainly with metals (mercury, nickel, cobalt, chromium) (2, 4-7), antibiotics (ampicillin, penicillin, erythromycin, aminoglycosides, sulfonamides) (2,8,9) and, less frequently, with vitamin B 12 , thiamine, salicylate, phenothiazine, ethylenediamine, corticosteroids, balsam of Peru, cinnamic aldehyde, para-amino compounds, thiurams and others (1,3,(10)(11)(12)(13).…”