This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'In case of hepatic porphyria the safe anticonvulsant is \nSelect and explain. \nA. Clonazepam, B. Paraldehyde, C. Phenytoin, D. Carbamazepine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Clonazepam > Seizures can be due to neurologic effects or to hyponatremia.> Treatment of seizures is difficult because virtually all antiseizure drugs (except bromides) may exacerbate> AIP (clonazepam may be safer than phenytoin or barbiturates).', 'role': 'assistant'}]