Which statement regarding the therapeutic index of Theophylline is correct?
Show answer and explanation
Correct answer: It has a narrow therapeutic index (typically 5-15 mcg/mL)
Theophylline has a narrow therapeutic range. Levels above 20 mcg/mL are frequently associated with adverse effects like nausea, while levels above 30 mcg/mL can cause life-threatening arrhythmias and seizures.
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