Thank you for your question. An overactive bladder is a form of urinary incontinence which can be caused by a multitude of conditions ranging from infections, nerve damage, or enlarging masses which press on the bladder such as tumors, or even an enlarged prostate. This can be differentiated from non-bacterial prostatitis in several ways. Prostatitis can result in pain in the perianal area, and pelvic region. Furthermore, one can also find that urine flow will be obstructed, or weakened. There can also be an observable discharge of prostate secretions which can be noticed as well. Furthermore, there is a laboratory finding that can be detected within the blood that can point towards prostatitis or an enlarged prostate rather. This is the prostate specific antigen. In conditions where the prostate is inflamed or enlarged (such as benign prostate hyperplasia, prostate cancer, or prostatitis), the PSA levels can be elevated.
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