In this treatment method, drug is injected into both prostate lobes by entering the prostate gland with a thin needle from the anus or the perineum area between the legs, under the guidance of transrectal ultrasound performed from the anus. It is a treatment that is usually applied in 3-4 sessions. In this way, high success is achieved in chronic prostatitis cases that have not received adequate response to medical treatment. It is generally a highly successful method and is frequently preferred by patients.