A blister comprising: - a support sheet (1, 37, 48, 49, 210) with at least two separate depressions (2, 3, 4, 5, 22, 34, 39, 40, 41, 42, 202, 207, 301, 302, 306, 307, 308, 310) adapted to accommodate pharmaceutical compositions； - at least two cover sheets (6, 7, 8, 9, 20, 23, 33, 36, 44, 45, 46, 47, 208, 218) each covering at least one depression, in which said at least two cover sheets are at least partially sealed on the support sheet about at least two depressions, and said at least two cover sheets overlap and delimit at least one element (35) characterized in that access to said at least one element (35) is obtained by removing the preceding overlay cover sheet and because access to said additional elements is obtained by sequential removal of the respectively overlapping cover sheets respectively.Un blíster que comprende: - una lámina de soporte (1, 37, 48, 49, 210) con al menos dos depresiones separadas (2, 3, 4, 5, 22, 34, 39, 40, 41, 42, 202, 207, 301, 302, 306, 307, 308, 310) adaptadas para alojar composiciones farmacéuticas； - al menos dos láminas de cubierta (6, 7, 8, 9, 20, 23, 33, 36, 44, 45, 46, 47, 208, 218) cubriendo cada una al menos una depresión, en el que dichas al menos dos láminas de cubierta están al menos parcialmente selladas sobre la lámina de soporte alrededor de al menos dos depresiones, y dichas al menos dos láminas de cubierta se superponen y delimitan al menos un elemento (35) caracterizado porque el acceso a dicho al menos un elemento (35) se obtiene mediante la retirada de la lámina de cubierta de superposición precedente y porque el acceso a dichos elementos adicionales se obtiene mediante la retirada secuencial de las láminas de cubierta superpuestas respectivamente precedentes.
