A two-chambered container-cum-syringe (100) provided with: an outer tube (10) having a bypass part (11) a hub luer-lock (20) a front stopper (30) a middle stopper (40) that, along with the front stopper (30), seals the pharmaceutical preparation (S) an end stopper (50), that, along with the middle stopper (40), seals the liquid drug (L) a finger grip (60) and a plunger rod (70) that is connected to the end stopper (50) from the rearward end wherein a female screw part (64) that twists around the axis line is formed on the inner circumferential surface of the finger grip (60) and a male screw part (73) capable of engaging with the female screw part (64) is formed on the outer circumferential surface of the plunger rod (70).
