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Croup

If you are having any symptoms or have any questions, please call 811 to speak with a registered nurse 24 hours a day.

OVERVIEW

What is croup?

Croup is an infection usually caused by a virus. It causes the trachea (windpipe) and larynx (voice box) to swell, which results in the harsh “barking” cough. Croup usually lasts 5 to 6 days and is more common during the winter months and early spring.

Children who are 5 years old or younger are more likely to have croup. If your child was born prematurely, they are also at higher risk of getting croup.

SYMPTOMS

How do I know if my child has croup?

If you’re not sure if your child has croup, your healthcare provider can diagnose it. The most common symptoms of croup are fever, hoarseness of the voice and a barking, hacking cough. Croup symptoms tend to affect children 1 to 3 years old more severely and may worsen at night. Contact your healthcare provider if you notice a high-pitched noise (called stridor) when your child breathes in or if your child is having problems breathing.

TREATMENT

What should I do if my child has croup?

Most children who have a mild case of croup can be treated at home. Make sure that your child gets plenty of rest and drinks plenty of fluids. When your child has a croupy cough, it is very important to increase the amount of liquids that they drink. Cough medicines are not recommended, especially for children younger than 6 years of age. You may give your child acetaminophen (brand names: Children’s Tylenol, Infants’ Tylenol) for chest discomfort or discomfort caused by fever.

Moist air seems to help children who have croup breathe easier. This is called mist treatment. You can give your child a mist treatment at home by:

  • Using a humidifier in your child’s bedroom.
  • Having your child breathe through a warm, wet washcloth placed over the nose and mouth.
  • Running hot water in your shower with the bathroom door closed. Once the room has become steamy or has fogged up, sit with your child in the room for about 10 minutes.

Cool air may also help reduce the swelling in your child’s airways. In cooler months, taking your child outside for a few minutes may bring some relief.

What if home treatment doesn’t work?

Most children who have croup will get better with treatment at home. But if your child’s croup symptoms are severe or don’t seem to be responding to home treatment, contact your healthcare provider. They may prescribe medication to help reduce the swelling in your child’s airways.

When should I contact the healthcare provider?

Watch your child closely and contact your healthcare provider if:

  • Your child makes a noisy, high-pitched sound (stridor) when they breathe in.
  • Your child starts drooling or has trouble swallowing.
  • Your child’s lips and skin around the nose, mouth of fingernails are bluish or turn dark.
  • Your child’s breathing doesn’t sound better after mist treatment.
  • Your child is very cranky, irritable or constantly uncomfortable.
  • Your child is having difficulty breathing.
  • Your child seems to feel worse.
  • You are worried.

QUESTIONS TO ASK YOUR HEALTHCARE PROVIDER

  • It seems like my child cries all the time. Could my child have croup?
  • Is there anything I can do to make my child more comfortable?
  • My child makes a whistling sound when my child takes a breath. Is that a symptom of croup?
  • Should I use a warm mist humidifier or a cold mist humidifier in my child’s room?
  • When should I contact a healthcare provider?
  • Are there any medicines I can give my child?

FOR MORE INFORMATION

The Lung Association (Canada)
https://www.lung.ca/lung-health/lung-disease/croup

Written by familydoctor.org editorial staff.

Revised/Updated: 07-01-2013

Created: 09-01-2000

This handout provides a general overview on this topic and may not apply to everyone. To find out if this handout applies to you and to get more information on this subject, contact your family healthcare provider.

Copyright (c) by the American Academy of Family Physicians

Permission is granted to print and photocopy this material for non-profit educational uses.

Written permission is required for all other uses, including electronic uses.

Nova Scotia Telecare, Reviewed by Clinical Services Working Group, January 2019

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