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Your Child's Asthma: How Severe Is It?

The National Heart, Lung, and Blood Institute grades asthma based on symptoms. Those grades are a guideline for treatment and will help your healthcare provider decide if your child needs to take daily preventive medicine or use rescue medicines as needed. Your child's healthcare provider will also treat your child based on their health history and current symptoms. The severity of your child's asthma is likely to change over time. The goal of treatment is always to have as few symptoms as possible.

Asthma severity

The 4 asthma severity levels are:

  • Intermittent asthma. Children with symptoms no more than 2 times a week. They don't have problems in between flare-ups. And they only have short flare-ups lasting a few hours to a few days. Nighttime symptoms happen less than 2 times a month.

  • Mild persistent asthma. Children with symptoms more than 2 times a week, but not daily. They may have activity levels affected by the flare-ups. Nighttime symptoms happen greater than 2 times a month, but no more than once a week.

  • Moderate persistent asthma. Children with symptoms every day. They use their rescue medicine every day. They may have activity levels affected by the flare-ups. Nighttime symptoms happen more often than 1 time a week.

  • Severe persistent asthma. Children with symptoms multiple times per day. They have a decrease in their physical activity, and often have flare-ups. Nighttime symptoms happen often.

Online Medical Reviewer: Alan J Blaivas DO
Online Medical Reviewer: Daphne Pierce-Smith RN MSN CCRC
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Date Last Reviewed: 8/1/2018
© 2000-2019 The StayWell Company, LLC. 800 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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