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Bronchiolitis is an infection of the lungs caused by a virus that most children will get by the time they are two. Usually, it is not a serious illness and goes away within seven to 10 days. Cough associated with bronchiolitis can last for a few weeks.

Key points

  • Bronchiolitis is a common viral infection of the lungs.
  • Children with bronchiolitis may have trouble breathing.
  • If your child has trouble breathing, has become dehydrated or seems very sick, take your child to the nearest hospital.
  • Good hand washing will reduce the spread of infection.
Last updated: October 7th 2023