Interactions
A nurse is reinforcing teaching with a client who has a prescription for phenytoin. The
nurse should inform the client that which of the following medications can decrease the
effectiveness of phenytoin? - Answer A. Cimetidine
B. Bismuth subsalicylate
C. Famotidine
D. Aluminum hydroxide
D. Aluminum hydroxide
Antacid medications such as aluminum hydroxide, can decrease the effectiveness of
phenytoin. The nurse should instruct the client not to take an antacid medication within
2 hr before or after the time scheduled for taking phenytoin.
A nurse is caring for a client who has a prescription for spironolactone and losartan.
When considering the potential interaction between these medications, the nurse should
monitor the client for which of the following adverse effects? - Answer A. Hyperkalemia
B. Hyperreflexia
C. Hypomagnesemia
D. Hypothermia
A. Hyperkalemia
A nurse at a provider's office is reviewing the medication record of a client who reports
taking acetaminophen 1,500 mg daily for muscle aches. The nurse should recognize
that which of the following client medications interact adversely with acetaminophen? -
Answer A. Metformin
B. Warfarin
C. Aspirin
D. Psyllium
B. Warfarin
Acetaminophen can interfere with the breakdown of warfarin, increasing the
anticoagulant effect & increasing the risk of bleeding.
A nurse is collecting a medication history from a client who has a new prescription for
cyclosporine. The nurse should recognize that which of the following client medications
can interact with cyclosporine? - Answer A. Rosiglutazone
B. Risperidone
C. Cimetidine
D. Cetrizine
C. Cimetidine