<prompt> Drug causing exanthema -AtropinePhenytoinSulfonamideAll of the above  <response>: Ans. is d i.e., All of the above Ref: Rooks ?he p. 73.22-73.23Drugs causing exanthematic reactionsMost commonLess commonAmpicillin and penicillinPhenylbutazone and other pyrazolonesSulphonamidesPhenytoinCarbamazepineGoldGentamicinMeprobamateAtropineCephalosporinsBarbituratesThiazidesNaproxenIsoniazidPhenothiazinesQuinidine 