The best replacement for croup is whooping cough.

The best alternatives to croup are rated as following:
★★★★★  whooping cough
★★★★★  asthma
★★★★  bronchitis
★★★  rsv
★★★  pneumonia
★★★  pertussis
★★  epiglottitis
★  cough
★  epiglottis
★  bronchiolitis
★  stridor
★  strep throat
  regular cough
  whooping cough sounds
  chest cold
  bacterial tracheitis
  asthma attack
  pseudocroup
  chest infection
  just a cough
  faux croup
  laryngitis

Your alternative for croup is not listed? Suggest!
Speaking about croup, one probably shouldn't forget about fever.

Other search terms related to croup and their ratings are:
★★★★★ fever
★★★★★ stridor
★★★ asthma
★★ strider
★★ vomiting
★ no fever
★ high fever
runny nose
104 fever
wheezing
babies
stridor sound
albuterol
You have in mind a companion for croup and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of croup in all years. Click on graph for more.
croup
whooping cough
asthma