A bodily fluid analyzer, system and method for programming the same includes a sensor for sensing at least one analyte in a patient; a display; a data reader unit for reading information from a data storage unit that contains stored information concerning a particular drug being taken by or course of treatment for the patient; and a processor for setting the at least one threshold value for at least one analyte to be sensed by the sensing unit based on the information read by the data reader from the data storage unit, for processing the information concerning the analyte and for sending the processed information to the display, wherein the threshold value is associated with the particular drug taken by or course of treatment for the patient, the threshold value being one beyond which the display will display an alert.