Finasteride (Proscar)has a Half-Life of About 6 to 8 Hours,depending

Multiple Choice

Finasteride (Proscar) has a half-life of about 6 to 8 hours,depending on the age of the patient;dutasteride (Avodart) has a half-life of approximately 4 weeks,but patients should be counseled that the onset of any positive clinical effects from both medications may take how long?

A) 1 to 2 weeks of therapy
B) 1 to 2 months of therapy
C) 3 to 6 months of therapy
D) More than 6 months of therapy