Orthopnea: Causes, Symptoms, and Treatment

What is Orthopnea?

Orthopnea is a medical term that describes shortness of breath (dyspnea) that occurs when you are lying flat. The symptom usually improves when you sit up or stand. It is often a sign of heart or lung problems, though other conditions can also cause it. Orthopnea can range from mild discomfort to severe breathing difficulties, and it may significantly impact your quality of life, especially at night.

This symptom is commonly associated with conditions that cause fluid to accumulate