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Anal Fistula

Information about Anal Fistula

We Have to Know about the Anal Fistula

  • The anus is the muscular canal through which stool passes out of the body.
  • An anal fistula is an abnormal, narrow, tunnel-like passageway that connects the anal canal, through the remains of an old anal abscess, to the surface of the skin.

Causes of Anal Fistula

  • An anal fistula develops in about half of all anal abscesses that have drained. Sometimes, the opening of the fistula at the skin surface leaks a thick, foul-smelling liquid.
  • In other cases, the opening of the fistula eventually becomes blocked with draining debris, causing the old anal abscess to spread outward again as a firm pocket of pus.

Do’s and Don’ts of Anal Fistula

  • Anal fissures can be prevented by preventing episodes of constipation. Gradually add more fiber to the diet (this will help soften the stools), and drink 6 to 8 glasses of water daily.

Signs & Symptoms of Anal Fistula

  • Pain or discomfort around the anus
  • Constant drainage of blood, pus or foul-smelling mucus from the anal area
  • If the external opening of the fistula becomes clogged and the old abscess reactivates, the following symptoms may appear – A firm, tender mass or swelling in the anal area, fever, chills, and throbbing pain near the anus that may worsen with walking,

Risk Factors of Anal Fistula

  • History of trauma
  • HIV
  • Tuberculosis, diabetes
  • Inflammatory bowel disease
  • Crohn’s disease/ulcerative colitis

Medical advice for Anal Fistula

  • See a doctor without delay whenever you have rectal bleeding or any pus or a foul-smelling or bloody discharge from the anus.
  • Severe pain in the anal area
  • A tender mass or swelling near the anus, with or without a fever
  • Discomfort or tightness in the anal area that interferes with bowel movements

Self Care for Anal Fistula

  • Keep the anal area dry by changing underwear frequently and using powder to absorb moisture

Treatment for Anal Fistula

  • Surgery in some cases

Investigations for Anal Fistula

  • Physical examination[per rectal], MRI,ct sinogram
Information about Anal Fissure
   Symptoms of Anal Fissure