The 5a reductase inhibitor that has been found to be effective both in benign prostatic hyperophy and male pattern baldness is:
Finasteride and dutasteride are 5 alpha reductase inhibitors. Flutamide is androgen receptor antagonist. Prazosin is alpha blocker. Minoxidil is potassium channel opener.
Flutamide
Finasteride
Prazosin
Minoxidil
Endocrine