New perceptions about handling and patient satisfaction of the everyday use of Berodual® Respimat® compared to a powder inhaler in patients with chronic obstructive lung disease (COLD). Moreover, further knowledge should be attained about the tolerability of Berodual® Respimat®

Inclusion Criteria:

• Male and female patients aged at least 18 years
• Patients who are suffering from symptoms of a chronic obstructive lung disease (COLD) can be included in the PMS. To reduce influences caused by the use of a variety of different powder inhaler, only patients who are already regularly using Diskus® powder inhaler should be included, as the Diskus® as well as the Berodual® Respimat® are multiple dose devices
• During the PMS the Diskus® therapy is to be continued

Exclusion Criteria:

• Patients who meet one or more of the general or specific contraindications mentioned in the Summary of Product Characteristics (SmPC) are excluded from the Postmarketing Surveillance (PMS)

Patients with diagnosis of chronic obstructive pulmonary disease recruited at pneumologists in practice