Coughing Blood

Coughing blood, or hemoptysis, is always a serious symptom and often a life-threatening symptom requiring emergency medical care. It is closely related to symptoms such as “blood in sputum” and “vomiting blood”, but in true hemoptysis the blood comes from the lungs or other parts of the respiratory system ...

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Coughing up blood (blood in phlegm) Coughing up blood can be alarming, but isn't usually a sign of a serious problem if you're young and otherwise healthy. It's more a cause for concern in older people, particularly those who smoke. The medical term for coughing up blood is haemoptysis ...1

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Causes

There are various causes of hemoptysis, which refers to blood coming from the lungs or airways (i.e. “coughing blood”). This symptom often needs to be treated as a medical emergency. The bloody sputum is usually frothy and bright red ...

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Causes of Coughing Blood

Common causes of coughing up blood The most common reasons for coughing up blood are:

  • a prolonged, severe cough
  • a chest infection - this is more likely if your sputum is discoloured or contains pus, you have a fever, or you ...
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Diagnosis of Coughing Blood

Tests that may be needed You may be asked for a sample of your sputum so it can be checked for infection. Other tests, such as blood tests, may also be needed. Your GP may decide to refer you to ...2

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Causes List for Coughing Blood

Possible causes of Coughing Blood (or similar symptoms) may include:3

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Clinical Features of Coughing Blood

You may cough up small amounts of bright red blood, or frothy blood-streaked sputum (saliva and phlegm). The blood is usually from your lungs and is often the result of prolonged coughing or a chest infection. If the blood ...4

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Treatments for Coughing Blood

What to do if you cough up blood See your GP as soon as possible if you cough up blood. It's particularly important to see your GP if:

  • you cough up more than a few teaspoons of blood
  • you also ...
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References

  1. Source: NHS Choices UK: nhs.uk/ conditions/ coughing-up-blood/ 
  2. ibid.
  3. Source: Algorithmically Generated List
  4. Source: NHS Choices UK: nhs.uk/ conditions/ coughing-up-blood/ 

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.