A perianal abscess is a small pocket of pus that forms near the anus when an anal gland becomes blocked and infected. Without prompt treatment, it can enlarge, cause severe pain, and spread to surrounding tissues.
You may notice one or more of the following signs:
Several factors can lead to a perianal abscess:
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A perianal abscess is a pocket of pus that forms near the anus, usually when an anal gland becomes infected. It causes pain, swelling, and often requires drainage.
Common causes include blocked anal glands, small skin cuts or infections, inflammatory bowel diseases (like ulcerative colitis), and trauma or surgery near the anus.
A perianal abscess develops just under the skin around the anus. A perirectal abscess is deeper in the tissues around the rectum and often requires more extensive treatment.
Yes. Inflammatory bowel diseases such as ulcerative colitis increase the risk of anal gland infections, which can progress to abscess formation.
Most abscesses need to be drained-this minor procedure is typically done under local anesthesia. Antibiotics alone rarely resolve the infection.
Not usually. Many abscesses are drained in the office using local numbing medicine. General anesthesia is reserved for complex or deep abscesses.
Pain often improves within a few days. Complete healing can take 2-4 weeks, depending on the size and depth of the abscess.
Sitz baths and over-the-counter pain relievers may provide comfort, but proper drainage by a medical professional is essential for healing.
If you have persistent pain, swelling, fever, or notice pus near the anus, seek prompt evaluation from a gastroenterologist or colorectal specialist.
Yes. While drainage and good aftercare reduce the chance of recurrence, managing underlying issues like IBD helps prevent future abscesses.
