Abstract: The present invention comprises an arm-mountable device for the discharge of hand treatment medications into the palm of the hand. In it simplest embodiment, the device is a compressible squeeze bladder with nozzle that is affixed to the underside of the wrist with a wristband. The contents of the bladder are ejected in a small burst to the palm of the hand upon initiation of compression of the bladder by the free hand. Features of various advanced embodiments include pressure multiplying squeeze bladders, plunger-based devices, and adjustable nozzles.