“Croupous and other forms of pneumonia, pulmonary oedema, and pleuritis have been not rarely noted.”

“If your child starts to make louder croupy noises when he or she breathes, try the following measures.”

“If you are not able to break your child's fast breathing and croupy cough, call your child's doctor or seek medical attention as soon as possible.”

“A 21-month-old, previously healthy girl presented initially with a generalized rash and nonproductive cough, which progressively became croupy with moderate stridor.”