Prostatitis is a condition that may cause anal swelling in patients. The main symptoms of prostatitis include anal swelling, and also white dripping, frequent urination, urgent urination, painful urination, urinary retention, sexual dysfunction, and hematosperm, etc. When a patient has prostatitis it may lead to anal swelling. It is recommended that patients with prostatitis when there are more obvious symptoms must be treated in a timely manner. Patients with prostatitis must go to a professional urology department for examination in a timely manner to clarify the type of prostatitis and take the corresponding medication. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.