This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'Most impoant cause of interstitial nepliritis is - \nSelect and explain. \nA. Drugs, B. Infection, C. Malignancy, D. Dehydration', 'role': 'user'}, {'content': "Answer: A \nExplanation: Acute Interstitial nephritis is far more often encountered as an allergic reaction to drug. Drugs causing AIN - Antibiotics (sulfonamides, vancomycin, erythromycin, rifampin, ethambutol, acyclovir) NSAIDS Diuretics (rarely thiazides, loop diuretics, triamterene) Anticonvulsants(phenytoin,valproate,carbamazapine,phenobarbitol PPI'S Ref:Harrison 20 th edition pg no 2157", 'role': 'assistant'}]