Pressurized metered dose inhalers (MDI) containing a solution comprising ipratropium bromide, HFA propellant, and co-solvent and comprising a container with a specific internal surface composition and/or lining

摘要

The invention relates to pressurized metered dose inhalers (MDIs) in which all or part of the internal surface is stainless steel, anodized aluminum, or lined with an inert organic coating and which contain a formulation which comprises ipratropium bromide.