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Asthma is a common long-term condition that can cause coughing, wheezing, chest tightness and breathlessness.
Symptoms of asthma
The symptoms of asthma can range from mild to severe. Most people will only experience occasional symptoms, although a few people will have problems most of the time.
Causes of asthma
It is not clear exactly what causes asthma, although it is likely to be a combination of genetic and environmental factors.
Diagnosing asthma
If you have typical asthma symptoms, your GP will often be able to make a diagnosis.
Treating asthma
Everyone with asthma should be able to lead a full and unrestricted life. The treatments available for asthma are effective for most people.
Living with asthma
Your asthma may get better or worse at different times. There may be periods when you have asthma symptoms, but in between you may be generally well, possibly for many years.
'My asthma nearly killed me'
Olwen Fish, from Waterhead, Oldham, has suffered from asthma since 1950. She feels lucky to have survived to see the huge increase in effective medication.
'I had to learn to live life in a different way'
Mother of three Rosemary Matthews first experienced asthma in her teenage years.
'I walked back to happiness'
For Shamim Arshad, a retired civil servant from Newcastle, walking has been a lifesaver.
See what the doctor sees with Map of Medicine
See what your doctor sees, find out what is happening with your Asthma treatment and what the next steps might be.