TP is discharged after 3 days with a phenytoin level of 11mcg/mL. He will be sent home with phenytoin extended release 300mgPO daily. He tells you that part of the reason he is reluctant totake his medication is that when it was originally prescribed, thephysician cautioned him that it could easily become toxic in hisblood and that he was frightened.

What other education would you provide him regarding hisphenytoin therapy? What does he need to watch for? What can he doto minimize the severity of side effects?

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