In addition to breathlessness, some people with heart failure develop a cough or wheezing. This is usually due to fluid accumulation in the lungs, but can also be caused by lung conditions (such as chronic obstructive pulmonary disease (COPD) and asthma).

If you have a cough or are wheezy, you should find that, as with breathlessness, supporting yourself with pillows or sitting up makes you more comfortable.

Video

 
Describes how his coughing is worse when he's lying down

Animation

 
Animation explaining how heart failure causes fluid accumulation

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