4. What are the classifications of asthma?
Mild persistent asthma: Symptoms occur more often than twice/week but not every day. Exacerbations may affect activity and nighttime symptoms occur 3 to 4 times/month. PEF is greater than 80%. In children 0 to 4 years, nighttime symptoms occur 1-2 times/month. Children 5 to 11 years, nighttime symptoms occur 3-4 times/month. PEF is greater than 80%.These patients may use their short-acting beta2 agonists more than twice a week. Children younger thanage 4 have more than two exacerbations in 6 months requiring systemic steroids or four episodes of wheezing in a year lasting more than a day. Children 5 to 11 have exacerbations 2 or more times per year [Woo15].Moderate persistent asthma: The patient is having symptoms every day and will require daily use of a beta2 agonist. Exacerbations affect normal activity with nighttime symptoms occurring more often than once per week. PEF is greater than 60% to less than 80%.Children aged 4 years or younger, nighttime symptoms occur 3 or 4 times a month. Children aged 5 to 11 years nighttime symptoms occur more than once a week. PEF is greater than 60% to less than 80%. Children in this category have exacerbations 2 or more times a year [Woo15].Severe persistent asthma
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