furosemide 80 mg. twice daily and spirono- lactone 25 mg three. .. tics may produce a diuretic response . equal. to or at times . Jun 30, 2015 . The threshold dose of . furosemide. differs according to the clinical condition of the patient. For example, the threshold dose of intravenous . furosemide. is 10mg in a population with normal renal function.0 compared with the FAM 962.