A patient with borderline personality disorder is being treated with carbamazepine (Tegretol®). Which of the
laboratory results indicate that this patient is experiencing an adverse reaction to the medication?
a. Blood urea nitrogen (BUN) – 12 mg/dL
b. Hemoglobin – 15 g/dL
c. Platelet count – 85,000
d. Potassium – 4.2 mEq/l