An anal abscess is a collection of pus in the area of the anus or rectum.

Symptoms of Anorectal Abscess
  • Swelling around anus
  • Constant throbbing pain
  • Pain with bowel movements
  • Discharge of pus from rectum/anus
  • Hardened tissue
Causes of Anorectal Abscess
  • Blocked gland in the anus or rectum
  • Infection of an anal fissure
  • Sexually transmitted infection
Treatments for Anorectal Abscess
  • Drainage of the abscess
  • Antibiotics
Anorectal Abscess
Dr Ng Kheng Hong
Dr Ng Kheng Hong
Senior Consultant Colorectal & General Surgeon
MBBS (Singapore), MMed (Surgery), FRCS (Edinburgh),
FAMS (General Surgery)
Dr Ng Kheng Hong has over 20 years of experience treating anal conditions, including anorectal abscesses. A former Director of Minimally Invasive Surgery at the Department of Colorectal Surgery at SGH and former Visiting Consultant in Surgical Oncology at the National Cancer Centre, Dr Ng is deeply committed to his work. Dr Ng is also well-published in medical journals and continues to teach medical students to this day.
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