A description of a nasty, raspy sound of breathing on inspiration, often accompanied by a “bark” like cough indicating a narrowing in the trachea, usually just below the vocal cords.
9 times out of 10 Stridor is caused by a viral infection (usually Para Influenza Virus) but can also be congenital (how the baby is made); bacterial, fungal (thrush) and sometimes for acid reflux.