<unk>  is a 5α-reductase inhibitor that is FDA approved for the {{{indicationType}}} of symptomatic benign prostatic hyperplasia (BPH).   Common adverse reactions include impotence, decreased libido, decreased volume of ejaculate, breast enlargement, breast tenderness and rash.
Finasteride
Dutasteride
Alclometasone
Tadalafil
Ingenol mebutate
Cyproterone
Oxybutynin 
Tolterodine