The pMDI looks set to continue as a very popular inhaler device. In the early 1990s, the pMDI was often seen as inefficient, somewhat old-fashioned, difficult to use correctly and environmentally unfriendly. Today, it is recognizable as the 1956 device, but it contains many modern enhancements and is viewed as durable, adaptable and cost-effective.
The pressurized metered dose inhaler: Past, present and future perspectives
The pressurized metered dose inhaler has been widely used for more than 60 years. How has it evolved, and how might it evolve further?