A reappraisal of digoxin usage

1979 ◽  
Vol 17 (13) ◽  
pp. 49-51

Digoxin is widely used to treat heart failure and atrial fibrillation. Toxicity from the drug is common1 2 and dangerous, and it is therefore important to consider whether it can be avoided by careful prescribing and a knowledge of the serum digoxin concentration.

1997 ◽  
Vol 31 (4) ◽  
pp. 438-440 ◽  
Author(s):  
Christopher P Alderman ◽  
Peter D Allcroft

Objective To document a case in which the administration of itraconazole was associated with an apparent decrease in digoxin clearance, resulting in an increase in the serum digoxin concentration. Case Summary A man receiving digoxin for atrial fibrillation was concurrently treated with itraconazole 200 mg/d for esophageal candidiasis. The estimated urinary digoxin clearance was decreased during this combination therapy. Discussion Digoxin is primarily cleared by the kidneys, and the mechanism of renal clearance involves both glomerular filtration and tubular secretion. We postulate that itraconazole or a metabolite of this compound may have resulted in decreased tubular secretion of digoxin, accounting for decreased urinary digoxin clearance. Conclusions Monitoring of serum digoxin concentrations should be performed if patients taking digoxin are treated with itraconazole. Further investigation is necessary to elucidate the nature of the interaction between digoxin and itraconazole.


2003 ◽  
Vol 12 (4) ◽  
pp. 59
Author(s):  
S.S. Rathore ◽  
J.P. Curtis ◽  
Y. Wang ◽  
M.R. Bristow ◽  
H.M. Krumholz

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