The nurse is caring for a patient with chronic hepatitis B who is being treated with adefovir (Hepsera). Which of the following findings would indicate that this medication is appropriate for this patient?
a. Human immunodeficiency virus (HIV) infection and a low CD4 count
b. Renal insufficiency on dialysis
c. No clinical or laboratory evidence of HIV infection
d. Allergy to purine nucleoside analogues
C
Adefovir is used in patients who have no clinical or laboratory evidence of HIV infection.
HIV, renal insufficiency, and allergy to purine derivatives are contraindications to treatment with adefovir.
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