Understanding Finasteride A. What is Finasteride? Finasteride serves as a medication primarily indicated for addressing benign prostatic hyperplasia (BPH) and male pattern baldness. It belongs to a class of drugs known as 5-alpha-reductase inhibitors, which work by blocking the conversion of testosterone to dihydrotestosterone (DHT). B. How Does Finasteride Work? By inhibiting the enzyme 5-alpha-reductase, …