Anal Sac Abscessation
Can occur in any age, breed or gender of dog however small breed overweight dogs are most commonly infected. Cats can also be affected.
Anal sac abscessation is diagnosed when there is noticeable swelling of the anal sac with a purulent exudate, inflammation of the surrounding perianal region, pain and fever. Rupture of the anal sac can occur with this condition producing a draining tract.
History and Clinical Signs
On microscopic examination of the fluid following anal sac expression, polymorphonuclear leukocytes and bacteria will be seen.
Incision of the sacs and drainage plus lavage with an isotonic solution or 0.05% chlorhexidine. Hot compresses can be useful when applied twice daily for 15 minutes prior to surgery. The incisions should be left open and broad spectrum systemic antibiotics given until results of culture and sensitivity are back. Common organisms are Escherichia coli, Streptococcus faecalis and Proteus species. If the condition becomes chronic, it is best managed by an anal sacculectomy.
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|Small Animal Dermatology Q&A 21|
Hall, E.J, Simpson, J.W. and Williams, D.A. (2005) BSAVA Manual of Canine and Feline Gastroenterology (2nd Edition) BSAVA
Foster, A. Foil, C. (2003) BSAVA Manual of Small Animal Dermatology (2nd Edition) BSAVA
Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
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