Tiotropium belongs to the group of medicines known as antimuscarinic bronchodilators. It is given to improve the airflow to your lungs. It works by opening up the air passages in your lungs so that air can flow into your lungs more freely.
This is a companion discussion topic for the original article at https://patient.info/medicine/tiotropium-a-bronchodilator-braltus-spiriva-tiogiva