It’s 2 a.m. and your toddler wakes up gasping, their tiny chest heaving with effort. The sound coming from their throat is sharp and barking—like a seal. Panic sets in. You scoop them up, unsure whether to rush to the ER or try to soothe them at home. If this scene sounds familiar, you’re not alone. Croup is one of the most common respiratory illnesses in young children, and while it can be frightening, most cases are mild and manageable with the right care.
Croup is a common childhood illness, especially in children between 3 months and 5 years old, with the highest risk around age 2. It causes a distinctive “barking” cough and nighttime breathing difficulties. While it may sound scary, most cases are mild and manageable at home. Here’s what parents need to know to keep their child safe and comfortable.
What Is Croup and Why Does It Happen?
Croup, medically known as laryngotracheobronchitis, is a viral infection that causes inflammation in the upper airway—specifically the voice box (larynx), windpipe (trachea) and bronchial tubes. This swelling leads to the hallmark symptoms: a barking cough, hoarseness, and stridor—a high-pitched, wheezing sound when a child breathes in.
Most cases of croup are caused by viruses such as parainfluenza, RSV and adenovirus, and tend to occur more frequently in the fall and winter months.
Unlike bronchiolitis or asthma, which affect the lungs, croup targets the upper airway. This distinction is important when identifying symptoms and choosing treatments.
Croup Prevention Tips
While not all cases of croup can be prevented, these steps can help reduce the risk:
- Wash hands frequently
- Avoid close contact with sick individuals
- Don’t expose children to secondhand smoke
- Keep up with vaccinations (e.g., flu shot)
How Can I Tell If My Child Has Croup?
Croup often begins like a typical cold—with a runny nose, mild fever and congestion. However, as the infection progresses, parents may notice:
- Barking Cough: This distinctive cough is often associated with swelling in the upper airway, making the cough sound harsh and seal-like.
- Stridor: A harsh, vibrating sound heard when inhaling, caused by a narrowed airway. It can indicate significant airway obstruction.
- Hoarseness: When the voice doesn’t project easily or sounds raspy, often due to inflammation or irritation of the vocal cords.
- Difficulty Breathing: Breathing becomes labored or noisy, particularly when lying down, signaling airway narrowing or obstruction.
- Restlessness: Discomfort and agitation caused by inadequate airflow, which can worsen symptoms and indicate respiratory distress.
Most cases of croup improve within three to five days with supportive care at home, but if symptoms persist beyond five days or worsen after initial improvement, contact a healthcare provider. For mild symptoms or questions, virtual care is a convenient first step. If symptoms are moderate and need in-person evaluation but aren’t life-threatening, urgent care is appropriate. For severe symptoms—such as breathing difficulty, bluish lips, or inability to keep fluids down—go to the emergency room immediately.
MemorialCare, Miller Children’s & Women’s Hospital’s parent company, offers 24/7 virtual urgent care and QuickCare visits, so you can get help fast from the comfort of your home. You can also chat or call with a nurse for free, any time of day or night, to get answers about your child’s symptoms and whether home care is safe or an emergency room visit is needed.
When Should I Seek Emergency Care?
While many children with croup improve with home care, some may need medical attention. Signs that your child may require emergency care include:
- Has a high-pitched sound when breathing in, even at rest
- Shows signs of labored breathing or chest pulling in
- Has a fever over 103.5 degrees Fahrenheit
- Appears blue or pale around the lips or face
- Is drooling excessively or has trouble swallowing
- Is unusually tired or irritable
- Refuses to drink or shows signs of dehydration
These symptoms may indicate severe croup, which can lead to respiratory distress. At Miller Children’s & Women’s Hospital, emergency care for croup often includes a fast-acting steroid to reduce throat swelling and a specialized breathing treatment to soothe symptoms, helping children recover quickly and comfortably.
How Can I Help My Child Feel Better at Home?
For mild cases, there are several effective ways parents can help their child feel better at home:
- Stay Calm and Comforting: Anxiety and crying can worsen symptoms. Hold your child, read a book, or sing a lullaby to help them relax.
- Use Humidified Air: A cool-mist humidifier or sitting in a steamy bathroom can help ease breathing by loosening mucus and reducing airway irritation.
- Hydration Is Key: Offer fluids frequently—water, breast milk, formula, or warm soups—to keep your child hydrated.
- Cool Night Air: Brief exposure to cool outdoor air may help reduce airway swelling and ease breathing.
- Elevate the Head: Keeping your child upright can make breathing easier, especially during sleep.
When Home Remedies Aren’t Enough: Emergency Care for Croup
Most cases of croup are mild and manageable at home with simple remedies like humidified air, fluids, and comforting care. Seek emergency care if your child has noisy breathing even at rest, labored breathing with chest retractions, bluish lips or face, extreme sleepiness, drooling or trouble swallowing, or signs of dehydration. Knowing where to go for help, and what to expect during this time can make all the difference.
At Miller Children’s & Women’s Hospital, families have access to a dedicated pediatric emergency department, with its partnership with Long Beach Medical Center – as an Emergency Department Approved for Pediatrics (EDAP) by Los Angeles County. This means:
- Children are treated by board-certified pediatric emergency physicians and nurses trained in Pediatric Advanced Life Support (PALS).
- The emergency department includes a separate pediatric waiting room, creating a calmer, less intimidating environment for children and their families.
- The space is thoughtfully designed to reduce anxiety, which is especially important during respiratory illnesses like croup, where staying calm can help ease breathing.
In very rare cases, hospitalization may be required in a specialized setting like the Cherese Mari Laulhere Pediatric Intensive Care Unit (PICU) at Miller Children’s & Women’s Hospital.
The Cherese Mari Laulhere PICU is a Level I Pediatric Intensive Care Unit, providing 24/7 care from board-certified pediatric intensivists, respiratory therapists, and a multidisciplinary team trained to manage critically ill children. With advanced respiratory support, the PICU is equipped to treat children with severe respiratory conditions like severe croup.
How Miller Children’s & Women’s Supports Families
Croup is a common and usually mild illness but knowing how to respond can make all the difference. By recognizing symptoms early, using effective home remedies, and understanding when to seek medical care, parents can confidently care for their child.
For families facing more frequent episodes, defined as more than two occurrences annually, an evaluation by a pediatric otolaryngologist may be recommended. These specialists focus on conditions of the ears, nose and throat (ENT) and can help identify any underlying causes contributing to recurrent croup.
At Miller Children’s & Women’s Hospital, families benefit from a collaborative care model that brings together ENT specialists and the team at the Children’s Pulmonary Institute. While ENT focuses on the upper airway, pulmonologists may be involved when symptoms are complex or overlap with lower respiratory conditions like asthma. Together, these teams ensure that every child receives a thorough evaluation and a personalized care plan.
With one of the most advanced pediatric respiratory programs in the region, Miller Children’s offers:
- 24/7 access to pediatric hospitalists
- Pulmonary function testing for infants and young children
- Specialized isolation rooms for contagious respiratory illnesses
- Multidisciplinary care teams including pulmonologists, immunologists, ENT specialists, and child life experts
Whether your child needs support at home or advanced care in the hospital, Miller Children’s & Women’s Hospital provides expert guidance and compassionate care every step of the way.
About the Author
Dr. Steven Jensen is a board-certified pediatrician and Medical Director of General Pediatrics at Miller Children’s & Women’s Hospital. With decades of experience and a deep commitment to pediatric health, Dr. Jensen leads with clinical excellence and compassionate care.
He earned his medical degree from the University of Nebraska College of Medicine, followed by a residency in Pediatrics at the University of California, Irvine/Children’s Hospital of Orange County. He then completed a fellowship in Pediatric Critical Care Medicine at UCLA David Geffen School of Medicine/UCLA Medical Center, where he developed a strong foundation in managing complex pediatric conditions.
