they are manifested morphologically as urticaria ( monosymptomatic or a partial symptom of an anaphylactic or serum sickness syndrome ) , as macular or maculopapular exanthema ( 9 days ae ) predominantly after ampicillin , as a fixed ae , as lyell 's disease ( fatal in about 30 % of cases ) , as erythema multiforme-like ae , as purpura ( allergic vasculitis , `` '' carbromal purpura '' '' ) , as rare lichenoides or nodose ae and as erythematodes-like drug reactions .
C0039082
syndrome
C0012634
disease