What is COPD? COPD is the abbreviation for chronic obstructive pulmonary disease and is one of the leading causes of death worldwide [1]. The main symptoms of COPD are: Shortness of breath, coughing and sputumThere are two main forms that can be distinguished:1. COPD with chronic bronchitis: inflammation in the...

Patients with chronic respiratory disease benefit greatly from correct inhalation, because depending on how the inhaler is used, a different dose of medication reaches the lungs. In addition, different types of inhalation devices exist on the market (metered dose inhalers, dry powder inhalers, softmist inhalers, and nebulizers). Within each of...