The effect of dimetikon on disturbing bowel gas at intravenous urography. A double-blind study in 200 ambulatory patients.

In a random double-blind study in 200 consecutive, ambulatory patients, admitted for intravenous urography, dimetikon in a dose of 0.2 g 4 times daily, 3 days before examination, had no effect on the amount of disturbing bowel gas.