Dutasteride (trademark name Avodart) is a dual 5-α reductase inhibitor that inhibits conversion of testosterone to dihydrotestosterone (DHT). Used for benign prostatic hyperplasia; however, it increases the risk of erectile dysfunction and decreased sexual desire. Dutasteride useful for the symptoms of benign prostatic hyperplasia (BPH); colloquially known as an “enlarged prostate”. In those who are being regularly screened 5-alpha-reductase inhibitor …