This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'Therapeutic drug monitoring is done for all of the following drugs Except \nSelect and explain. \nA. Phenytoin, B. diclofenac, C. Tacrolimus, D. Cyclosporine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: TDM is not done for most commonly used drugs or safe drugs like paracetamol, diclofenac done for antiepileptic drugs, immunosuppressants, anticancer drugs, lithium Phenytoin- antiepileptic, cyclosporin, tacrolimus- immunosuppressants in the options not done for antihypeensives and BP can be measured clinically and easily REF KD Tripathi 8th ed', 'role': 'assistant'}]