Response from Robert J. Frascino, M.D. ...Western Blot, which turned out to be negative. A reactive ELISA plus a negative Western Blot is considered to be a negative HIV test.. There are many potential causes for a falsely reactive ELISA test, including cross-reacting non-specific...
1 Asthma is an inflammation and narrowing of the airways that can cause shortness of breath, wheezing, chest tightness, and coughing. 2  Pneumonia is lung inflammation that is caused by infection. 3  Symptoms may include shortness of breath, cough, chest pain, chills, sweating, fever, muscle pain, and exhaustion.
Inflammation of the lungs and bronchial tubes are also common causes of shortness of breath, as is injury to the respiratory tract caused by smoking or other toxins.Shortness of breath may occur with injury to the lungs, such as a collapsed lung (pneumothorax).nflammation of the lungs and bronchial tubes are also common causes of shortness of breath, as is injury to the respiratory tract caused by smoking or other toxins.