Drug not causing exanthematous skin eruption: (A) Phenytoin, (B) Hydrocoisone, (C) Ampicillin, (D) Phenylbutazone
Answer is B. Drugs causing exanthematous eruptions are penicillin, sulfonamides, anticonvulsants, anti tubercular , allopurinol, nevirapine, phenylbutazone. Hydrocoisone is a coicosteroid is used for the treatment of severe drug reactions but will not induce exanthem