Asthma causes impact on airways which carries air to and from lungs. The inner walls of asthma patient remains inflamed, this makes them sensitive. Due to inflammation airways of body becomes narrow and hence it allows less air to pass to and from lungs.
In some asthma cases, airways get blocked which stops passing of oxygen into lungs, thus restricting it to enter in blood stream and reach to different parts of the body. Such type of asthma is fatal and patient needs immediate hospitalization.
SYMPTOMS OF ASTHMA
- Wheezing (a hissing sound at the time of breathing)
- Breathlessness
- Coughing
- Tightness of chest
- Unable to speak properly
CAUSES OF ASTHMA
The exact reason of asthma is not known properly. It can be hereditary or even environmental conditions can causes asthma in some of the people. Presence of allergy causing substances can cause asthma in sensitive people. Respiratory infection, excessive exercise, cold, and air pollutants can trigger asthma in many patients.