A patient who has been taking theophylline at home reports having palpitations and jitteriness. What action will the nurse take?
a. Ask the patient if herbal medications are used.
b. Notify the provider to report theophylline toxicity.
c. Recommend that the patient increase fluid intake.
d. Request an order for renal function studies.
ANS: A
Ephedra is a stimulant that potentiates theophylline and may increase side effects. Patients should be questioned about use of herbal medications. To determine toxicity, serum drug levels must be drawn; at this point, the patient reports symptoms of theophylline side effects. Increasing fluid intake will not alleviate symptoms. Renal function studies are not indicated.
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