Bronchiolitis and RSV

Our information covers what bronchiolitis is, the signs and symptoms, how it’s diagnosed and treated, and ways bronchiolitis can be prevented.

Child ill in bed

What is bronchiolitis?

Bronchiolitis is a viral chest infection that affects babies and children. It's most commonly caused by the respiratory syncytial virus (RSV). Find out about bronchiolitis.
Mum and son with a kitten

What are the symptoms of bronchiolitis?

Bronchiolitis usually starts like a simple cold. On this page we explain the different symptoms of bronchiolitis and how it's diagnosed.
Child using a nebuliser

What is the treatment for bronchiolitis?

Bronchiolitis is treated in different ways, depending on the severity of your child’s symptoms. Find out how you can care for a child with bronchiolitis at home, the treatment they might have if they have to go to hospital and when you can expect your child to get better.

How can I prevent bronchiolitis?

There are things you can do to help prevent the spread of viruses and viral infections such as bronchiolitis.

What causes bronchiolitis?

Bronchiolitis is most commonly caused by the respiratory syncytial virus (RSV). Read about what RSV is, how common RSV can be and how to tell if your child has caught RSV.
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