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
Side effect of thiazide diuretics are all except ? 
Select and explain. 
A. Hyponatremia, B. Hypokalemia, C. Erectile dysfunction, D. Hypocalcemia
A: Hyponatremia
Answer: A: Hyponatremia 
Explanation: Ans. is 'A' i.e., Hypocalcemia Thiazides cause hypercalcemia (see above explanation).