What statement is false concerning the use of desmopressin (DDAVP) in renal colic patients?

A. it causes reduction in the mean intra-ureteral pressure

B. it reduces the pain of acute renal colic

C. it has a direct relaxing effect on the renal pelvis and ureteral musculature

D. it is indicated when stones are ≤ 4 mm in diameter

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