💡 Keep a "cough diary" for your doctor. Note the time of day it occurs, whether it produces mucus, and if it changes based on your physical position.

Blood backs up into the veins of the lungs. Leakage: Fluid leaks into the air sacs (alveoli).

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Sometimes the "heart cough" isn't caused by the disease itself, but by the treatment. ACE inhibitors (such as Lisinopril or Enalapril) are standard medications for high blood pressure and heart failure.

A cough paired with these "red flag" symptoms requires immediate evaluation: