A portable drug administration device comprising- a pump,- a controller (34) configured to control operation of the pump according to a standard administration mode and a special operation mode which differs from the standard administration mode,characterized in that- the controller (34) is configured to detect the occurrence of an event trigger and to store, in response to an event trigger, administration data indicative of the current administration status automatically in a memory (35) and to switch the device from the standard administration mode to the special operation mode, and- the controller (34) is further configured to detect the occurrence of a restoring trigger and to retrieve, in response to a restoring trigger, the administration data from the memory (35), to switch the device from the special operation mode to the standard administration mode and to control the pump to resume administration according to the retrieved administration data.
