What is COPD?

COPD is a group of chronic, long-term conditions that cause the airways to become blocked. When that happens, it causes breathing problems like coughing, wheezing, shortness of breath, trouble taking a deep breath, and excess mucus or phlegm.

Both conditions have similar symptoms like wheezing and shortness of breath.

Most cases are mild but more serious infections can lead to deadly complications.

Find out who should consider using one—and how to do it safely.

Chronic obstructive pulmonary disease makes breathing difficult, but making simple changes to your diet may help.

Follow these tips to breathe easy at home, even if you’re allergic to your pet.