Abstract: An installation for filling weekly blister packs, i.e. packaging units, with doses of different medicaments corresponding to the weekly requirements of several patients and to be taken by the respective patient in a certain order according to the day of the week and the time of the day, according to a doctor's prescription. The installation is provided with output stations associated with the medicaments, for automatically filling all or selected compartments line-by-line. In order to control the output stations in such a way as to fill the weekly blister pack with the prescribed medicament, an electronic control unit processes information about patients, the information being continuously supplied to the unit in such a way that it is synchronized with the blister pack advancing movements.