This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pathology
[{'content': 'A 50 years old hypertensive male cardiac patient, who is on anticonvulsant treatment, developed following rash on right hand. Most probable drug responsible for it is- \nSelect and explain. \nA. Propanolol, B. Atrovastatin, C. Warfarin, D. Phenytoin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Phenytoin* Given image is showing distal limb edema, purple discoloration and blisters on affected hand. It is a characteristic presentation of "purple glove syndrome", a classical adverse effect of intravenous phenytoin.', 'role': 'assistant'}]