This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Side effect of thiazide diuretics are all except ? \nSelect and explain. \nA. Hyponatremia, B. Hypokalemia, C. Erectile dysfunction, D. Hypocalcemia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'A' i.e., Hypocalcemia Thiazides cause hypercalcemia (see above explanation).", 'role': 'assistant'}]