The following statements regarding finasteride are true except
.Finasteride, is used for the treatment of benign prostatic hyperplasia male pattern baldness. It is a 5a-reductase inhibitor; 5a-reductase, an enzyme, conves testosterone to dihydrotestosterone (DHT) (option 3 its give otherway round) Adverse affects include increased risk for impotence, erectile dysfunction, decreased libido, and ejaculation disorder for the first year of treatment.
It is used in the medical treatment of benign Prostatic hyperophy (BPH)
Impotence is well documented after its use
It blocks the conversion of dihydrotestosterone to testosterone
It is a 5 -alpha reductase inhibitor
Urology