A liquid medicine administration apparatus includes: a drive section； an operation section configured to operate a pusher member that is slidably located in a liquid medicine container； a transmission mechanism configured to transmit a driving force of the drive section to the operation section； an occlusion detection mechanism located in the transmission mechanism and configured to detect occlusion of a passage of liquid medicine administered from the liquid medicine container； a rotation detector configured to detect rotation of the drive section； and a notification section configured to notify a user when the rotation detector detects stoppage of rotation of the drive section.
