Chronic lung disorder which has three specific indications: coughing, difficulty breathing and wheezing in chest. Asthma is a disease aggravated by allergies, indicating the following specific symptoms: cough that produces mucus, shortness of breath (dyspnoea) aggravated by exertion/exercise, frequent respiratory infections, headache, ankle, feet and leg swelling.
Chronic asthma is often diagnosed when patients complain of difficult breathing while doing least exertion. Patients complain of difficult breathing while doing exertion. Patient often cough up thick mucus and their skin may have a bluish tinge caused by lack of oxygen in the blood. If patient develops severe dyspnoea or swelling of the legs or ankles they require immediate attention as symptoms are leading to congestive heart failure. Tobacco smoking, long term exposure to tobacco smoke, repeated respiratory infections, industrial exposures in toxic fumes or dust are also the known causes of chronic asthma. It may lead to the symptoms of mucus cough, shortness of breath, wheezing, fatigue and headache.