Digoxin digitalis, lanoxin, lanoxicaps ; cholestyramine questran, prevalite ; ketoconazole nizoral ; lanthanum fosrenol ; seizure medication such as phenytoin dilantin or phenobarbital solfoton ; steroids such as prednisone, fluticasone advair, flovent , mometasone asmanex, nasonex , dexamethasone cortastat, dexpak, decadron and others; or a water pill diuretic such as hydrochlorothiazide hctz, esidrix, hydrodiuril, microzide,oretic […]