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Question:

A patient is started on a daily amount of Phenytoin (Dilantin) 200mg PO in two divided doses. What instruction, if given by the nurse to the patient, is INCORRECT?

A “You will need annual labs to determine the medication level in your body.”
explanation

It is important for a patient newly started on Dilantin to receive weekly labs initially to check the CBC. Patients need to have their RBCs, WBCs, and platelets monitored because Dilantin can cause those numbers to fall.

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