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Asthma: causes and diagnosis

Asthma: causes and diagnosis

From this module you will learn:

  • How asthma is defined
  • The main causes, triggers and risk factors
  • The typical symptoms
  • How asthma is diagnosed

Download a printable PDF of this module – including the five-minute test – here.

Asthma is a chronic inflammatory respiratory condition that can have many different causes and triggers. The main presentation of asthma is variable airflow obstruction and one or more of the following: cough; wheeze; chest tightness; and shortness of breath.(1) The symptoms vary in intensity and presentation, and acute asthma exacerbations may even be life-threatening.

Prevalence of asthma

Asthma can occur at any age, including in young children and older people.(2) According to Asthma UK, there are currently 5.4 million people being treated for asthma in the UK. Of these, 1.1m are

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