What is the difference between prostatitis and prostatic hyperplasia?

Prostatitis is a

benign disease caused by bladder outlet obstruction and urinary tract obstruction due to increased prostate volume.

Prostatitis is caused by pathogen infection or irregular sexual life, sedentary, alcoholism, etc. The causes of prostatic hyperplasia are not clear, mainly considering the role of sex hormones and their receptors, cell proliferation and apoptosis imbalance theory, growth factor neurotransmitters

, etc.