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What are the symptoms of heart failure?

The main symptom of heart failure is shortness of breath, usually during activity or after exertion. Breathlessness when lying down flat and waking in the middle of the night feeling short of breath are also symptoms of heart failure. Other signs and symptoms can include: tiredness or lethargy; muscular fatigue; unexplained coughing and wheezing; nausea or loss of appetite; swelling of the ankles, legs and stomach; dizziness; weight gain from fluid retention, and; chest pain.

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About this article

Author: Dr Bow Tauro PhD, BSc (Hons)
First answered: 23 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.0 out of 5
Votes: 559 (Click smiley face below to rate)
Category: Atrial fibrillation


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