[Information technology and the riddle of household remedy].

I Adverse effects associated with medication are one of the most common reported problems related to patient care. Problems arise especially when the patient is transferred from one unit to another or when treatment responsibility is changed within a unit. Information technology was expected to solve these problems, but the expectations have not fully become fulfilled. The legislation and functionalities of electronic prescription have brought new problems to be solved. While part of the problems can be solved by computer-based applications, training is required in order to change the operational culture and improve patient safety.