Respiratory problems (Asthma)

Asthma is a common, chronic respiratory disease. ... Treating both components of the disease is necessary for many patients to achieve optimal asthma control and to help prevent symptoms, including coughing, wheezing, shortness of breath, and chest tightness. Asthma can be minor or it can interfere with daily activities. In some cases, it may lead to a life-threatening attack. Asthma may cause difficulty breathing, chest pain, cough and wheezing. The symptoms may sometimes flare up. Asthma can usually be managed with rescue inhalers to treat symptoms (salbutamol) and controller inhalers that prevent symptoms (steroids). Severe cases may require longer-acting inhalers that keep the airways open (formoterol, salmeterol, tiotropium), as well as