IOMED, Inc. develops, manufactures and commercializes controllable drug delivery systems using iontophoretic technology. Their proprietary iontophoretic drug delivery systems allow rapid onset and cessation of therapeutic action, as well as programmable dose control. The systems enable caregivers and patients to control the onset of drug effectiveness and maintain, reduce or cease drug administration once a desired therapeutic effect is observed. The programming feature also enables caregivers to customize dosing patterns to meet each patient's specific needs.