Many children with asthma find that their symptoms are worse when they exercise. Doctors call this exercise-induced asthma.

It's more likely to happen if your child exercises in cold and windy conditions. ^{[5] [6]} So your child is more likely to get symptoms if they're skiing or ice skating than if they're swimming in a heated pool. Some children get symptoms when they leave their home on a cold day. ^[5]

Your child is less likely to get asthma when exercising if their asthma is well controlled with the right treatment. Using a reliever inhaler (the blue one) before exercise can prevent these symptoms.

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