A patient prescribed theophylline for asthma has a theophylline level of 3 mcg/dL. What should the nurse do?
a. Notify the physician.
b. Double the next dose of theophylline.
c. No action is necessary; this is a therapeutic level.
d. Hold the next dose of theophylline until further orders are given.
ANS: A
A therapeutic theophylline level is 10 to 20 mcg/mL. The physician should be notified. D. Holding the next dose will further lower the level. B. Doubling the dose is inappropriate without a physician's order.
C. This is not a therapeutic level and action is necessary.
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