Drug storage and dispensing devices and systems comprising the same

An apparatus, comprising:

• a cartridge housing defining a channel and an opening, the cartridge housing configured to be removably coupled to a tablet delivery device such that the opening is in communication with the tablet delivery device, an end portion of the cartridge housing defines the opening, the end portion of the cartridge housing configured to be disposed within the tablet delivery device such that a push rod of the tablet delivery device slides through the opening to deliver a first tablet of a plurality of tablets from the tablet delivery device;
• the plurality of tablets stacked within the channel along a longitudinal axis of the channel;
• a pusher having a first portion and a second portion, the first portion of the pusher disposed outside of the channel offset from the longitudinal axis of the channel, the second portion of the pusher movably disposed within the channel, the first portion of the pusher configured to receive a force, the second portion of the pusher configured to exert the force on the plurality of tablets to urge the first tablet of the plurality of tablets along the channel towards the opening;
• and
• a spring coupled to the pusher.