Prostatitis causing anal swelling may generally be good in about a week to two weeks, depending on the severity of the symptoms, personal constitution, treatment methods and many other reasons. Prostatitis caused anal swelling can be selected under the guidance of the doctor sensitive antibiotics, such as levofloxacin, clarithromycin, etc., you can also use the prostate Ann pessary and other drugs for anal suppository treatment, and every day for hot water sitz bath, to alleviate the symptoms of anal swelling, generally one week to two weeks or so can be good. The prostate gland is very close to the anus, the prostate gland complication inflammation, may stimulate the anus, thus appearing swelling discomfort, may also cause the perineal region of the swelling discomfort, part of the population may also appear urinary frequency, urinary urgency and other symptoms, if the symptoms are more pronounced, you need to go to urology department for examination, symptomatic treatment. Usually improve bad habits, eat more fresh fruits and vegetables, pay attention to local hygiene, no smoking and alcohol, if you have symptoms of physical discomfort, you should go to the hospital in a timely manner, consult a physician to guide the use of medication.