People with asthma have hypersensitive airways. At the same time the lining of your airways reddens and swells and mucus is produced. This leads to the characteristic symptoms of wheezing, coughing and shortness of breath. Children are more likely to develop asthma if their mother smoked while she was pregnant and if they have a parent or parents who smoke. Some of the most common triggers for asthma are allergies, particularly to house dust mites, mould spores, pollen and pets, and sometimes food allergies.
Most people find that there are several things that can bring on their asthma.
The symptoms of asthma Tightness in the chest, wheezing or a whistling noise in the chest, coughing and difficulty breathing occur when the airways become narrowed and inflamed and produce mucus. An asthma attack can come on out of the blue. A key element in controlling the condition is becoming familiar with your personal triggers so that you can avoid them as far as possible. With effective use of preventive treatment you may hardly ever have to use a reliever. The National Asthma Campaign an independent charity working to conquer asthma, in partnership with people with asthma and all who share their concern, through a combination of research, education and support.