The nurse is aware that particular attention is warranted for the client who is prescribed phenobarbital, particularly when the client also takes:
a. acetaminophen. c. ranitidine.
b. warfarin. d. acetylsalicylic acid.
ANS: B
Feedback
A Incorrect: Phenobarbital can increase the risk of hepatotoxicity when used regularly with acetaminophen, but this is not the best answer.
B Correct: Oral anticoagulant levels are decreased with the use of phenobarbital.
C Incorrect: There is no interaction between these two drugs.
D Incorrect: There is no interaction between these two drugs.
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