Roflumilast is a type of medication that has been used for COPD. This is a lack of oxygen that a person is able to take in. Many people with a history of smoking, lack of exercise, and obesity suffer from it. This is also a type of anti inflammatory that can help to reduce the problems associated with asthma that could restrict the airways. Individuals with chronic bronchitis can find some relief from the symptoms with this type of medication.