Tubes for storing unit doses of drugs are disclosed, the tubes may include an elongate outer casing having two open ends, an inner structure inside said casing, which includes two opposite symmetrical walls connected at the ends thereof and ribbed on the inner surfaces thereof such as to enable the insertion and fastening of a blister pack containing a unit dose of a drug in channels opposite to said walls, and a pulling means for inserting and extracting the inner structure from the outer casing. Devices and methods for filling the tube with unit doses of drugs is also disclosed, along with cabinets for dispensing unit doses of drugs from said storage tube.