A nurse is reinforcing teaching with a client who has benign prostatic hypertrophy and has a new prescription for finasteride. Which of the following information should the nurse include in the teaching?

A. Decreased libido is a potential adverse effect of finasteride due to its action on reducing dihydrotestosterone levels. B. Prostate-specific antigen (PSA) levels typically decrease while taking finasteride, not increase. It's important for the nurse to educate the client about the potential impact of finasteride on PSA levels and the interpretation of PSA tests. C. Avoiding grapefruit juice is not specifically relevant to the use of finasteride. Grapefruit juice can interact with certain medications by affecting their metabolism, but this is not a concern with finasteride. D. The effects of finasteride on BPH symptoms may take several months to become noticeable.