Dear W.R.: Finasteride works by blocking the enzyme that converts regular testosterone to dihydrotestosterone (DHT). DHT is ...

Enzyme mechanisms are the chemical transformations, and the steps within them, generated by enzymatic action on substrates. The mechanism of enzyme catalysis is similar in principle to other types ...

I am an 88-year-old male who has been taking tamsulosin twice daily for several years because of benign prostatic hyperplasia ...

I am an 88-year-old male who has been taking tamsulosin twice daily for several years because of benign prostatic hyperplasia (BPH). In October 2023, my urologist added finasteride once daily. One ...