How contagious is croup?

LIke a common cold. Croup is caused by a virus and is contagious. To put it in perspective, it is as contagious as a common cold. Good hand washing with soap and water or with hand-gel will decrease the risk of transmission.
Contagious. Croup caused by virus spread with air droplets.Signs of respiratory infection, such as a runny nose or cough.Barking noise or stridor from swelling in airway /larynx.Croup lasts five or six days and highly contagious in children between the ages of 3 months and 6 years (the average age is 2 years),Adults can become infected with same virus that caused their child’s croup usually less symptoms.
Very. Transmitted by direct contact and respiratory droplets.

Related Questions

How contagious is croup? My 2 yr old and 4 mo old were around child yesterday who was diagnosed last night. What should I look out for?

Croup. Look for barking cough, hoarseness and noisy breathing called stridor.Symptoms may be mild to moderate and get worse at night.It is contagious and caused by a virus and is self limiting and can be treated with steroids and in severe cases Epinephrine as well, children with sever cruip may need hospitalisation. Read more...
Croup. Croup is a respiratory viral illness that produces a cough that characteristically sounds like a seal barking. This is related to swelling produced in the upper airway. Patient may also develop a condition called stridor which is noise produced on breathing in (or out). You should observe for stridor, cough, fever, and labored breathing. Read more...

How long is croup contagious? My son drank out nieces cup who had it last wk. Her fever is gone and she's back at school. Still has a cough. Worry?

Unlikely... Though one may contract a virus by touching a contaminated surface and then touching the eyes, nose or mouth, the timing of your niece's illness makes it unlikely. Croup is usually caused by a virus infection, most often a parainfluenza virus. After the third day of symptoms, a patient will begin to clinically improve.The cough may in itself represent a post-viral cough that may persist for weeks. Read more...