Abstract: A system comprises a pad and an injection device. A first side of the pad is configured to be attached to a skin of a user; the pad is provided with coded information; the injection device is configured to read the coded information from the pad when the injection device is brought into proximity of or contact with the pad; the injection device is configured to determine whether the coded information on the pad meets a predetermined criterion; and the injection device is configured to respond to a positive determination by autoinjecting medicament through the pad into the user, permitting medicament administration, or indicating to the user that medicament administration is appropriate. The pad and the injection device also are separate aspects.

Abstract: A system comprises a user token device and a medicament administration device. The user token device comprises a memory configured to store information relating to at least one medicament pertaining to a user. The medicament administration device and the user token device are configured to communicate wirelessly in at least a unidirectional fashion. The medicament administration device and the user token device are configured to prevent a user from administering medicament other than in accordance with the information stored in the user token device.