Clear, colourless liquid, free from suspended particles.
1 metered dose (puff) contains 21 mcg (8r)-3α-hydroxy-8-isopropyl-1αH,5αH-tropanium bromide (±)-tropate monohydrate (= ipratropium bromide monohydrate) corresponding to 20mcg ipratropium bromide anhydrous.
Excipients/Inactive Ingredients: Propellant: 1,1,1,2-Tetrafluoroethane (HFA [hydrofluoralkane] 134a).
Other excipients: citric acid anhydrous, water purified, ethanol anhydrous, nitrogen (inert gas).