A patient with hepatitis B begins treatment with adefovir (Hepsera) and asks the nurse how long the drug therapy will last. The nurse will tell the patient that the medication will need to be taken for:
a. a lifetime.
b. an indefinite, prolonged period of time.
c. forty-eight weeks.
d. until nephrotoxicity occurs.
ANS: B
Current guidelines recommend treatment only for patients at highest risk; it is unknown whether treatment should continue lifelong. Treatment is usually prolonged, without a specific period of time. Nephrotoxicity is common but is not the deciding factor when determining length of effective treatment.
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