A carrier for a blister pack includes a first panel having an opening for movably receiving a blister of the blister pack, and a second panel having one or more dispensing openings aligned with the first panel opening. The first panel and the second panel slidably receive the blister pack there between. The carrier includes a blocking tab between the first and second panels that is selectively moveable between a blocking position and a dispensing position. When the blocking tab is in its blocking position it prevents movement of the blister in the first panel opening into alignment with a dispensing opening, thereby preventing dispensing of the blister's contents through the dispensing opening. When the blocking tab is in the dispensing position, it permits the blister to be moved into alignment with a dispensing opening for dispensing the blister's contents. The blocking tab is connected to a free edge of one of the first and second panels about a fold line, and one of the first and second panels of the blister pack carrier is connected to a panel of a slider.