This invention relates to a dosage management system that comprises acontainer including a box with an opening towards the top. The box has afirst side with an opposing second side and a third side. The box has a pairofparallel grooves in the first side and second side and a tray inside the box.There is also provided a resilient sliding lid. The lid has two parallelopposingedges that slidingly engage the grooves. At least one of the edges andgrooves has a catch and notch combination that engage when the lid is in aclosed position. The grooves have a first incline or decline part connected toa substantially horizontal part which is again connected to a second inclineor decline part. When opening the box, the lid is pushed down the lid thenbending into the horizontal part, the notch and catch disengaging and thelid is moved to the third side to open the box. Closing the box isaccomplished by pushing the lid back towards the closing position and thecatch is urged into the notch due to the lid regaining its shape.
