the effects of two potassium-sparing diuretic combination drugs , triamterene-hydrochlorothiazide and spironolactone-hydrochlorothiazide , were compared with those of two kaliuretic diuretics , hydrochlorothiazide and furosemide , in order to ascertain the effects of those diuretics on concentrations of serum digoxin , serum potassium , and erythrocyte potassium , and to determine whether any of these diuretics should be preferred for patients taking digoxin .
C0813211
triamterene-hydrochlorothiazide
C0020261
hydrochlorothiazide