PHARMACEUTICAL COMPOSITION AND DEVICE FOR TREATING PAIN

摘要

The invention relates to a system for the intranasal sequential administration of at least one active principle pertaining to the group of active principles having at least one respiratory depression RD side effect and at least one active principle pertaining to the group of active principles countering the respiratory depression RDA that can be induced by the active principles of the RD group. The invention also relates to a portable intranasal sequential administration device comprising an intranasal administration system according to the invention.