Severe Persistent Asthma Overview

People who suffer from severe persistent asthma usually experience asthma symptoms throughout the day on most days and have frequent symptoms at night, as well. These symptoms tend to limit one’s physical activity.

According to the National Guidelines for managing asthma, severity of asthma is classified as severe persistent according to the following factors:

  • Frequency of symptoms (throughout the day)
  • Frequency of nighttime awakenings with asthma symptoms (often daily)
  • Use of a quick-relief inhaler (several time per day)
  • How much asthma interferes with daily activities (extremely limited)
  • Peak flow readings (less than 60% of personal best)
  • Whether asthma flares require use or oral steroids (2 or more times a year)


Written by Vidhi Soni, MD

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