What is the role of blood theophylline measurement in the diagnosis of status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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Answer

Blood theophylline levels provide an important monitoring component in patients taking this medication (either at home or while hospitalized) and especially in patients who have received a bolus infusion of theophylline followed by continuous intravenous (IV) infusion. The volume of distribution of theophylline is 0.56 mg/L in children and adults. A dose of 1 mg/kg of theophylline raises the serum level by approximately 2 mg/dL.


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