Vial dosing systems and methods are disclosed. A vial dosing device includes a connecting body coupleable to a vial, a cannulated plunger having a proximal end coupled to the connecting body, a dose chamber adapted to slidably receive a distal end of the cannulated plunger and to expel medicament through a distal end of the dose chamber, and a plunger tip check valve coupled to the cannulated plunger and adapted for fluid flow from the cannulated plunger through the plunger tip check valve into the dose chamber.
