While most people associate coughing as a common symptom that accompanies lung or respiratory issues, its connection to heart failure often goes unnoticed. This is called a cardiac cough, and it often happens to those with congestive heart failure (CHF).

What does a heart failure cough sound like?

You may experience a persistent cough or wheezing (a whistling sound in the lungs or laboured breathing) due to your heart failure. The wheezing is similar to asthma but has a different cause in heart failure.

Can a heart problem cause a cough?

Chronic coughing or wheezing - Fluid congestion (a buildup of fluid in the lungs) is common with heart failure, and is the reason why doctors often refer to it as "congestive heart failure" (CHF). This congestion can make you wheeze and cough. Some people cough up mucous or phlegm.