Breath actuated metered dose inhalers are automatically triggered by the patient's inspiratory effort.
Breath actuated devices are useful for older children and adults who have difficulty co-ordinating triggering with inhalation (1).
Oropharyngeal deposition is a problem (1).
Reference:
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.