Hi , and welcome! I see you are a new member here, having joined today, earlier this afternoon. We are glad to see you already engaging with the community through this, your first post.
You may be aware that medications' effectiveness can vary from medication to medication and, from patient to patient, too.
Did you find the first Trimbow inhaler you were using was effective for you? May I ask, what caused you to change types of Trimbow?
Leon (site moderator COPD.net)