This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diuretics and Antidiuretics, Subject name: Pharmacology
Thiazides diuretics causes all except: 
Select and explain. 
A. Hyperglycemia, B. Increased calcium excretion, C. Useful in congestive heart failure, D. Decreased uric acid excretion
B: Increased calcium excretion
Answer: B: Increased calcium excretion 
Explanation: Ans. (B) Increased calcium excretion(Ref: Katzung 10/e p245, 246, KDt 8e/ p632)Loop diuretics cause hypocalcemia by more excretion whereas thiazides cause hypercalcemia by decreasing its excretion.