Final answer:
An effective client statement on finasteride teaching would acknowledge its use for male pattern hair loss, its effectiveness timeline, and the necessity of continued use, along with awareness of potential side effects.
Step-by-step explanation:
A client statement that indicates that the teaching about finasteride (Proscar) has been effective would acknowledge the drug's purpose, its expected timeframe for improvement, and the necessity to continue its use for ongoing effectiveness. An effective statement might say, "I understand that finasteride can improve my hair loss by about 30% after six months, but I'll need to keep taking it to maintain the results." This statement shows comprehension of the medication's use in treating male pattern hair loss, expected outcomes, and duration of treatment. The client should also be aware of possible side effects such as gynecomastia, erectile dysfunction, and depression.