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Symptoms of Anal fistula

An anal fistula is usually associated with an abscess near the anus. This leads to a dull, throbbing pain, itching and discomfort in or around the anus. The abscess releases watery pus or mucus, which may be blood stained. If the abscess is infected the symptoms may include fever and a general feeling of being unwell.

 

If a fistula has been caused by an inflammatory bowel disease (IBS), such as ulcerative colitis, diverticulitis or Crohn's disease, other symptoms may occur including: fever, abdominal pains, diarrhoea, loss of appetite, weight loss, nausea and vomiting.