Erythromycin and clarithromycin (and possibly other macrolide antibiotics) and tetracycline may increase digoxin absorption in patients who inactivate digoxin by bacterial metabolism in the lower intestine, so that digitalis intoxication may result.
<Erythromycin, mechanism, digoxin>, <clarithromycin, mechanism, digoxin>, <macrolide antibiotics, mechanism, digoxin>, <tetracycline, mechanism, digoxin>