If you’re experiencing the symptoms of a serious asthma attack, like severe shortness of breath, severe wheezing, or difficulty speaking, you should call 911. Healthline has strict sourcing ...

Breathing sound that is high-pitched and tight A purring or whistling sound You can hear it best when your child is breathing out Use this guide only if your child has not been diagnosed with asthma ...

A narrowing of the smallest airways in the lung (bronchioles) causes wheezing. This narrowing results from swelling caused by a virus. The respiratory syncytial virus (RSV) causes most bronchiolitis.

A cough that lingers after a cold or the flu is usually not something to worry about. Known as a post-infectious or post-viral cough, this lingering cough affects 11% to 25% of adults who have ...