The delivered dose is 2.5 µg tiotropium per puff (2 puffs per dose).
2.5 µg tiotropium is equivalent to 3.124 µg tiotropium bromide monohydrate (INN= tiotropium bromide).
Excipients/Inactive Ingredients: benzalkonium chloride, disodium edetate, purified water, hydrochloric acid for pH adjustment.