The nurse performs a medication history on a patient who will begin targeted therapy for cancer with gefitinib (Iressa). The nurse learns that the patient is taking carbamazepine, a histamine₂ blocker, and warfarin. The nurse will anticipate that the provider will make which change to the medication regimen?

Question

Quizplus · Accepted Answer

Warfarin is a medication that affects blood clotting, and gefitinib can increase the risk of bleeding. Therefore, the provider may decrease the warfarin dose to decrease the risk of bleeding. The other options are not appropriate because they do not address the potential drug interactions between these medications.

The Nurse Performs a Medication History on a Patient Who