Better Health Channel
  • Doctors do not use one specific test to diagnose asthma.
  • To help diagnose asthma, your doctor will take your medical history, do a physical examination, listen to your lungs and order some lung function tests.
  • A lung function test measures airflow in and out of the lungs, and will help your doctor to diagnose asthma.
  • You should take your child to the doctor if you are concerned about any breathing problems they may have.
  • A lung function test is not usually possible in children younger than 5 years.
  • Diagnosing asthma in very young children can be difficult.

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Reviewed on: 27-06-2023