The main symptoms of heart failure are:
- breathlessness (dyspnoea) when you're more active than usual or sometimes when you're resting. It can wake you up in the middle of the night
- weight gain
- extreme tiredness and weakness
- swelling in the legs, ankles, feet (peripheral oedema) or belly
These symptoms are often caused by other conditions but they are signs that you might have heart failure. Your doctor may suggest doing some tests to see if you have got heart failure or to rule it out as a cause for your symptoms.
Other symptoms that might be associated with heart failure include:
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Last reviewed: July 2018