If the prostate cyst is very small, there are no symptoms. However, sometimes a prostate cyst may be accompanied by prostatitis, presenting symptoms such as frequent urination, urgent urination, incomplete urination, and pain in the bladder area, perineum, or sacral region. If the prostate cyst is relatively large, it can compress the internal opening of the urethra, causing difficulty in urination, and even acute urinary retention. During acute urinary retention, the patient may also experience abdominal pain. When the prostate cyst is large, it can also compress the rectum, causing difficulty in defecation. Therefore, lower abdominal pain is not necessarily caused by a prostate cyst, and it is best to undergo further examination to determine the specific cause.