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Mild Intermittent (3)
- < 2 times a week
- nocturnal awakening <2 times/month
- may only occur with exercise
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Mild persistent (2)
- bronchodilatory use > 2 times/ week
- nocturnal awakening >every 2 weeks
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Moderate persistent (4)
- daily symptoms
- daily bronchodilator use
- symptoms interfere with activity
- nocturnal awakening >1 time/week
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Severe (3)
- Symptoms with minimal activity
- awake multiple times/night
- require multiple medications on daily basis
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