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Table 1 Theophylline measurements post stopping of the medication

From: Case Report: The risks associated with chronic theophylline therapy and measures designed to improve monitoring and management

Time after initial measurement

Theophylline Level (mg/L)

Initial Measurement

59.3

12 h

51.6

24 h

43.4

48 h

31.1

3 days

22.8

4 days

15.4

5 days

10.1

  1. Serial theophylline readings recorded after stopping the medication. Initial reading was a trough measurement post stopping the medication. Theophylline reference range 10-20 mg/L