I have a cough, wheezing or shortness of breath. I have not been diagnosed with asthma, what could be the cause?

Reviewed by: Enrique Mascarós. Family and community doctor. Member of GRAP and the Advisory Board of the Lovexair Foundation. Cough, wheezing (whistling in the chest when breathing) and dyspnea (the feeling of lack of air) are the most frequent symptoms of respiratory diseases, both chronic and acute, [...]