A perianal fistula is a small tunnel that forms under the skin, creating a connection between the inside of the anus and the skin just outside. Most fistulas develop after an abscess drains, and they are classified under ICD-10 code K60.3. Depending on their path, fistulas may be:
While symptoms can vary, many patients notice:
Perianal fistulas most often begin with a blocked anal gland or an infected abscess. Other contributing factors include:
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A perianal fistula is a small tunnel beneath the skin that connects the inside of the anus to the surrounding skin, most often developing after an abscess drains.
Symptoms include pus or blood leakage near the anus, pain or swelling in the area, skin irritation or redness, discomfort when sitting, and sometimes fever.
Fistulas typically begin with a blocked gland or abscess; other causes include Crohn's disease, ulcerative colitis, past injuries, radiation treatment, or rare infections such as tuberculosis or STIs.
Generally no-most perianal fistulas require medical or surgical treatment to fully heal and prevent complications.
The ICD-10 code for a perianal fistula is K60.3.
Yes. Non-surgical options may include antibiotics, anti-inflammatory medications, fibrin glue, laser therapy, and biologic drugs for Crohn's-related fistulas.
Recovery time varies by treatment type, but most patients heal within 4 to 6 weeks following appropriate care.
Yes. Crohn's disease is a common underlying cause of perianal fistulas due to chronic intestinal inflammation.
Non-surgical methods can be effective in some cases, but many patients ultimately require surgical intervention for complete healing.
If you experience persistent pain, swelling, or drainage near the anus for more than a week, you should seek medical evaluation.
