A system for dispensing medications in a health care institution includes a computer system connected to control a plurality of remote medication dispensers. Pharmacy terminals are provided for entering medication orders and software in the computer system controls the dispensers to dispense medications according to the orders specified. The system includes support for dispensing medications from floor stocks. In either case, medications are administered in accordance with instructions from the computer system generated in accordance with said orders. The system further includes software for identifying medication duplications and potentially dangerous drug interactions based on orders entered into the system at the pharmacy. Inventory control and restocking features are also provided.