Prostatic Hyperplasia, Benign, also known as benign prostatic hyperplasia, is related to bladder neck obstruction and alopecia, and has symptoms including prostatism An important gene associated with Prostatic Hyperplasia, Benign is SRD5A1 (Steroid 5 Alpha-Reductase 1), and among its related pathways/superpathways are Signal Transduction and Androgen receptor network in prostate cancer. The drugs Diclofenac and Levobupivacaine have been mentioned in the context of this disorder. Affiliated tissues include prostate and kidney, and related phenotypes are benign prostatic hyperplasia and Decreased caspase 3/7 activity