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': 'Drug used in Acute Intermittent Porphyria is \nSelect and explain. \nA. Opioids, B. Phenobarbitone, C. Primidone, D. Blood tranfusion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Opioids# A high-carbohydrate (10% glucose) infusion is recommended, which may aid in recovery.> If drugs have caused the attack, discontinuing the offending substances is essential.> Infection is one of the top causes of attacks and requires vigorous treatment.> Pain is extremely severe and almost always requires the use of opiates to reduce it to tolerable levels.> Pain should be treated early as medically possible due to its severity.> Nausea can be severe; it may respond to phenothiazine drugs but is sometimes intractable.> Hot water baths or showers may lessen nausea temporarily, but can present a risk of burns or falls.', 'role': 'assistant'}]