Asthma

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Overview of Asthma

Asthma is an illness of respiratory tract. It causes the narrowing or obstruction of airways and causes hindrance in normal breathing. Asthma causes swelling and production of increased amount of mucus in the air passage which lead to constriction of bronchi which lead to respiratory problems. There are different forms of asthma, some people suffer from mild form of asthma which does not affect their everyday activity. While in other people, asthma can cause severe loss of ability to breath and lead to life threatening condition. Asthma is inflammation of airways and certain allergens or infection trigger swelling and further tighten the airway. Asthma is not cure able but is controllable. By following directions of doctor and with proper medications, the intensity of asthma can be controlled. There are different forms of asthma. One form of asthma is exercise-induced asthma/bronchoconstriction. Any physical exertion or activity can trigger asthma in such people. Other forms of asthma include the following:

  • Allergic asthma
  • Childhood asthma
  • Occupational asthma

Causes and Risk Factors of Asthma

There are many trigger factors of asthma that vary from person to person. The most common trigger that cause asthma include airborne particles such as mold spores, pet waste and dust mites. Pollen allergy is a leading cause of seasonal asthma. Pollens of different trees including pines, paper mulberry, cannabis, dandelion and eucalyptus can cause severe allergies manifested by asthma and breathing disorder. Various respiratory infections (bacterial or viral) can lead to trigger of asthma. Certain pollutant like smoke or smog can lead to asthma, similarly cold air acts as asthma trigger in some individuals.

Signs and Symptoms of Asthma

The symptoms of asthma include coughing, tightness of chest, heavy breathing, sleeping troubles due to shortness of breath and wheezing, whistling sound while breathing, tiredness and pain in chest. Increased coughing, while laughing or exercising is also a common symptom of asthma.