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Asthma is a chronic lung disease that inflames and narrows the airways. This makes it hard to breathe. It can be controlled with medicine, but there’s no cure for asthma. It can cause coughing, wheezing, and shortness of breath. 

The asthma symptoms are often triggered by allergies or exposure to irritants such as smoke, chemicals, or cold air. In some cases, physical activity can also trigger an attack.

You might notice that your symptoms are worse when certain things happen in your life or environment. These are the causes or triggers for asthma. Knowing what causes these changes will help keep them under control. Some of the causes and triggers for asthma are mentioned below.


Some people develop asthma because of pollen. It is the common trigger for your symptoms. If it is true for you, staying indoors during peak pollen season may help prevent future attacks. You should avoid outdoor activities in pollen season.

Respiratory Infections

You should also be aware of any changes in weather patterns that can cause infections. Weather changes can lead to respiratory infections, causing asthma. You can experience symptoms because of increased humidity or dryness in the air when the weather changes.

Dust Mites

Some people develop asthma because they live in an area with high levels of dust mites. Dust mites are tiny bugs that live in our homes and feed on dead skin cells we shed daily. Others may be more likely to get it if they have allergies themselves or a family history of allergies. 

Acute Bronchitis

Some people can even develop asthma after having pneumonia or bronchitis as children. With asthma, their airways become swollen and narrow, making it difficult to get enough oxygen into their lungs. This can cause wheezing or coughing spells.

In summary, asthma is a chronic lung disease that inflames and narrows the airways. This makes it difficult to breathe. It can be triggered by allergies, exercise, cold air, and acute bronchitis. 

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