This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'A patient on lithium therapy was found to be hypeensive also. Which of the following antihypeensive drugs is contraindicated in a patient on lithium therapy in order to prevent toxicity? \nSelect and explain. \nA. Clonidine, B. Beta blockers, C. Calcium channel blockers, D. Diuretics', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Diuretics (thiazide, furosemide) by causing Na+ loss promote proximal tubular reabsorption of Na+ as well as Li+ --plasma levels of lithium rise. ref : KD Tripati 8th ed.', 'role': 'assistant'}]