Drugs that inhibit 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE. They are commonly used to reduce the production of DIHYDROTESTOSTERONE.

Synonyms: Testosterone 5 alpha Reductase Inhibitor, 5-alpha-Reductase Inhibitor, Steroid, Inhibitor, Steroid 5-alpha-Reductase, Reductase Inhibitor, 5-alpha, 3 Oxo 5 alpha Steroid 4 Dehydrogenase Inhibitors, Steroid 5 alpha Reductase Inhibitors, 5-alpha-Reductase Inhibitors, Steroid, Steroid 5-alpha-Reductase Inhibitors, 4-Dehydrogenase Inhibitor, 3-Oxo-5-alpha-Steroid, 5 alpha Reductase Inhibitor, Inhibitor, 5-alpha Reductase, Inhibitor, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase, Reductase Inhibitors, 5-alpha, Inhibitor, Testosterone 5-alpha-Reductase, Steroid 5-alpha-Reductase Inhibitor, 5-alpha-Reductase Inhibitors, Testosterone, Inhibitors, Steroid 5-alpha-Reductase, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase Inhibitor, 5-alpha Reductase Inhibitors, 5 alpha Reductase Inhibitors, Testosterone 5-alpha-Reductase Inhibitor, Testosterone 5 alpha Reductase Inhibitors, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase Inhibitors, Testosterone 5-alpha-Reductase Inhibitors, 0, Steroid 5 alpha Reductase Inhibitor, Inhibitors, Testosterone 5-alpha-Reductase, Inhibitors, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase, 4-Dehydrogenase Inhibitors, 3-Oxo-5-alpha-Steroid, Inhibitors, 5-alpha Reductase, 5-alpha Reductase Inhibitor, 5-alpha-Reductase Inhibitor, Testosterone, 3 Oxo 5 alpha Steroid 4 Dehydrogenase Inhibitor