Dilantin brand vs generic

Blood thinners, such as coumadin arthritis medications, such as nsaids aspirin azithromycin, clarithromycin, erythromycin cyclosporine neoral, sandimmune digoxin lanoxin diuretics water pills estrogen premarin ketoconazole nizoral oral contraceptives phenobarbital phenytoin dilantin rifampin rifadin theophylline theo-dur .