
Croup is a common childhood illness that affects the upper airway and causes swelling in the voice box (larynx) and windpipe (trachea). The condition is characterised by a distinctive barking cough and usually affects babies and young children. While croup is typically mild and lasts for about a week, symptoms can become more severe and sometimes life-threatening, requiring urgent medical attention. So, do you need to sleep with a child who has croup?
| Characteristics | Values |
|---|---|
| Croup affects | Babies and young children |
| Cause | Viral infection |
| Symptoms | Swelling of the voice box (larynx) and windpipe (trachea), barking cough, raspy breathing, fever, hoarseness, stridor, difficulty breathing, restlessness, nervousness, retraction, cyanosis, eye redness, swollen lymph nodes |
| Treatment | Cool mist humidifier, steam from a hot shower, opening a window, over-the-counter medication, warm clear fluids, avoiding smoke, keeping the child's head elevated, sleeping in the same room as the child |
| Prevention | Washing hands, not sharing cups or dishware, keeping the child at home if they are sick |
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What You'll Learn
- Croup is a common infection in children, usually caused by a virus
- Croup causes swelling in the upper airway, leading to breathing difficulties
- Symptoms include a barking cough, fever, and a high-pitched whistling sound when breathing in
- Most cases of croup are mild and can be treated at home
- If your child has severe croup, seek medical attention immediately

Croup is a common infection in children, usually caused by a virus
The virus that causes croup leads to swelling and irritation around the voice box (larynx) and windpipe (trachea), and sometimes the bronchial tubes (bronchi). This narrows the airway, making it harder for the child to breathe. The cough associated with croup is often compared to the sound of a seal's bark, and children may also exhibit hoarseness, a loss of voice, or a scratchy voice.
In addition to the barking cough, other symptoms of croup include a runny or stuffy nose, fever, and a high-pitched whistling sound when breathing in, known as stridor. These symptoms typically worsen at night and when the child is upset or crying. In severe cases, the child may experience difficulty breathing, become agitated or anxious, and exhibit cyanosis (blue-tinged skin) due to a lack of oxygen.
The same viruses that cause the common cold, such as the respiratory syncytial virus (RSV) and the influenza virus, are responsible for croup. It is highly contagious and can spread through respiratory droplets when an infected person sneezes or coughs. Croup can also be caused by bacteria, allergies, or reflux from the stomach, although this is less common.
Most cases of croup are mild and can be treated at home. Keeping the child calm is essential, as crying can aggravate the condition. Over-the-counter medications such as acetaminophen or ibuprofen can help manage fever and throat discomfort. Breathing in moist air, using a cool-mist humidifier, or sitting in a steam-filled bathroom can provide relief. It is important to ensure the child gets plenty of rest and drinks enough fluids to prevent dehydration.
In more severe cases of croup, medical attention may be required. Steroid medications, such as dexamethasone and prednisolone, can help reduce swelling in the airway. In rare instances, hospitalisation may be necessary, especially if the child requires oxygen therapy, intravenous fluids, or multiple doses of inhaled breathing treatments.
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Croup causes swelling in the upper airway, leading to breathing difficulties
Croup is a common respiratory illness that affects children, causing swelling in the upper airway. This swelling narrows the airway, making it difficult for the child to breathe. The condition is characterised by a distinctive "croupy" or "barking" cough, similar to the call of a seal. This is caused by the swelling and irritation around the voice box (larynx) and windpipe (trachea), which produces this noise when a cough forces air through the narrowed passageway.
The upper airway infection can cause a change in voice, a harsh cough, and a high-pitched whistling or creaking sound when the child inhales, known as stridor. This is different from the wheezing associated with asthma, which occurs when a child has difficulty breathing air out of the lungs. Stridor is indicative of an upper airway problem, as seen in croup.
The swelling in the upper airway can vary in severity, and in more severe cases, it can cause distress when breathing in. This type of breathing difficulty, known as stridor, is a common symptom of croup. It is characterised by a high-pitched whistling or creaking sound when the child inhales. The child may also experience a harsh, barking cough and difficulty breathing. In some cases, the breathing issues can be severe enough to require emergency medical care.
The viral infection that causes croup can lead to inflammation and swelling in the upper airway, particularly around the voice box and windpipe. This narrowing of the airway makes it harder for air to pass through, resulting in the distinctive croupy cough and breathing difficulties. The most common virus associated with croup is parainfluenza, but other viruses such as influenza, COVID-19, and RSV can also be responsible.
The symptoms of croup are typically worse at night and can wake the child from sleep. They usually last for 3 to 7 days, and most cases are mild, requiring only parental guidance and simple home remedies. However, in some cases, the breathing issues can be severe and may require medical treatment to improve the child's breathing. It is important to seek immediate medical attention if the child is experiencing difficulty breathing, has a bluish tint around the mouth, or is struggling to swallow, among other severe symptoms.
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Symptoms include a barking cough, fever, and a high-pitched whistling sound when breathing in
Croup is a common respiratory infection that affects the airways, voice box (larynx), and windpipe (trachea) of babies and young children. It causes swelling in the upper airway, making it narrower and more difficult to breathe. The condition is usually mild, but it can occasionally become severe and life-threatening.
The symptoms of croup include a distinctive "barking" cough, often likened to the sound of a seal's bark. This is caused by the swelling and irritation in the voice box and windpipe. In addition to the cough, children with croup may also experience a high-pitched, squeaky, or whistling sound when they breathe in, known as stridor. This sound is produced by air being forced through the narrowed passageway.
Other symptoms of croup can include a fever, redness in the eyes (conjunctivitis), swollen lymph nodes, and difficulty breathing. Symptoms typically start with cold-like symptoms such as a runny or stuffy nose and a slight cough, which then develop into the barking cough. Symptoms are usually worse at night and when the child is upset or crying.
If your child is displaying these symptoms, it is important to seek medical advice, especially if they are struggling to breathe or have a high fever. In most cases, croup can be managed at home with treatments such as a cool-mist humidifier, plenty of fluids, and fever-reducing medications. However, in severe cases, hospitalisation may be required.
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Most cases of croup are mild and can be treated at home
Croup is a highly contagious respiratory infection that affects babies and young children. It causes swelling in the child's voice box (larynx) and windpipe (trachea), leading to a distinctive barking cough and raspy breathing. While croup is usually mild, symptoms can become severe and life-threatening in rare cases.
- Keep your child calm: Crying can worsen croup symptoms, so it is important to keep your child calm and soothed. Read stories, cuddle, and try to avoid any activities that may trigger crying or running around, as these can make breathing more difficult.
- Use a cool-mist humidifier: A cool-mist humidifier can help soothe dry and irritated airways. You can also sit with your child in a steam-filled bathroom by running hot water in the shower. Ensure that your child does not go near the hot water.
- Breathing cool air: Opening a door or window at night or taking your child outdoors for a few minutes can help ease symptoms. You can also try taking your child for a drive with the car windows slightly lowered.
- Treat fever and throat discomfort: Over-the-counter medications such as acetaminophen (Tylenol) or ibuprofen (Advil) can help reduce fever and throat discomfort. Always consult your healthcare provider for the appropriate dosage.
- Encourage fluid intake: Offer your child warm, clear fluids to help loosen the mucus on their vocal cords. For infants, breast milk or formula is recommended, while older children can have water, juices, soups, or ice pops.
- Elevate your child's head: Use an extra pillow to elevate your child's head while they sleep. However, do not use pillows with infants younger than 12 months.
- Sleep in the same room: It may be helpful to sleep in the same room as your child to monitor their breathing and provide comfort if they have trouble breathing.
While these home treatments can help manage mild croup symptoms, it is important to closely monitor your child's condition. If symptoms persist, worsen, or if you have any concerns, contact your healthcare provider for advice and further guidance.
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If your child has severe croup, seek medical attention immediately
Croup is a common childhood illness that causes swelling in the upper airway, leading to a distinctive "croupy" or "barking" cough. While most cases of croup are mild, it can sometimes develop into a severe and life-threatening condition. If your child is displaying any of the following symptoms, it is important to seek immediate medical attention:
- Difficulty breathing, including very fast or labored breathing
- High-pitched, noisy breathing sounds when breathing in and out, even when the child is not crying or upset (known as stridor)
- Blue, gray, or pale skin, lips, or nail beds, indicating a lack of oxygen
- Drooling or difficulty swallowing
- Restlessness, anxiety, or extreme fatigue
- Retractions, where the skin around the ribs and collarbone is pulled in with each breath
If your child is exhibiting any of these symptoms, take them to the nearest urgent care center or emergency room. Do not delay seeking medical attention, as severe croup can be life-threatening and requires prompt treatment.
In the case of severe croup, your child may require various medical treatments to improve their breathing and reduce swelling in the airway. These treatments can include humidified air or oxygen, IV fluids for dehydration, monitoring of vital signs, steroid medication, and in rare cases, a breathing tube for mechanical ventilation.
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Frequently asked questions
It is recommended that you sleep in the same room as your child if they have croup so that you can assist them immediately if they start to have difficulty breathing.
The symptoms of croup include a distinctive "barking" cough, a high-pitched "creaking" or whistling sound when breathing in (known as stridor), and a hoarse voice. Symptoms are often worse at night and can be soothed by breathing in cool air or steam.
Croup usually clears up in most children within two days, but symptoms can last up to one week.











































