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  1. Bronchiolitis - Symptoms and causes - Mayo Clinic

    May 4, 2024 · Bronchiolitis is a common lung infection in young children and infants. It causes swelling and irritation and a buildup of mucus in the small airways of the lung.

  2. Bronchiolitis Causes & Symptoms - Cleveland Clinic

    Bronchiolitis is a viral infection that targets the small airways of a child’s lungs. It causes wheezing, coughing and a slight fever. It’s most common during colder months. Contact your …

  3. Bronchiolitis: Symptoms, Causes, Diagnosis, Treatment - WebMD

    Apr 30, 2025 · Bronchiolitis, a lung infection, is a common illness among infants that causes difficulties breathing. Most cases are mild and can be treated at home.

  4. Bronchiolitis - StatPearls - NCBI Bookshelf

    Jun 26, 2023 · Bronchiolitis is a common lung infection in young individuals. The viral infection involves the lower respiratory tract and can present with signs of mild to moderate respiratory …

  5. Bronchiolitis - Johns Hopkins Medicine

    Bronchiolitis is an inflammation of the bronchioles (small passages in the lungs) usually caused by a viral infection. The disease usually affects children under the age of 2, with a peak age of 3 …

  6. Bronchiolitis - Wikipedia

    Bronchiolitis is inflammation of the small airways also known as the bronchioles in the lungs. Acute bronchiolitis is caused by a viral infection, usually affecting children younger than two …

  7. Bronchiolitis: What Is It, Transmission, Symptoms, Treatment

    Sep 23, 2025 · Bronchiolitis is an infection of the small airways of the lungs, called bronchioles, that can commonly affect babies and young children under the age of two. Incidence is higher …

  8. Bronchiolitis Symptoms, Diagnosis and Treatment - American Lung Association

    The symptoms of bronchiolitis are similar to those of a common cold but may worsen with time. Though diagnosis can be tricky, certain signs can warn you that your child needs to see a doctor.

  9. Bronchiolitis - NHS

    Find out more about bronchiolitis, including the symptoms, how it's treated, and what causes it.

  10. Bronchiolitis: Symptoms, Causes, and Treatments - Healthline

    Jan 6, 2022 · Bronchiolitis generally causes mild illness, but serious cases can progress to lung failure. Read on to learn more about bronchiolitis including symptoms, causes, and treatment …