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Dog Anal Sac Disorders may be caused by androgen stimulation since they occur predominantly in males. Combined androgenic and estrogenic influences may be involved because when they do occur in females, spayed females are more commonly affected than sexually intact females. The others predisposing factors include chronically soft feces, recent diarrhea, excessive glandular secretions, and poor muscle tone; retained secretions may lead to infection and abscessation; small breed dogs, including miniature poodles, toy poodles, and chihuahuas are reportedly predisposed to anal sac carcinoma.

How to diagnose anal sac disorders?
The history and examination of the anal sacs by digital palpation will establish the diagnosis. If easily palpated through the skin, they are considered enlarged. On expression, normal anal sacs fluid is clear or pale yellow-brown. Thick, pasty brown secretion is characteristic of impaction, and creamy yellow or thin green-yellow secretion is often seen in animals with anal sacculitis.

Suggested books to read about dog anal sac disorders: Dog Owner’s Home Veterinary Handbook, The First Aid Companion for Dogs & Cats, A Pet Owner’s Guide to 150 Symptoms - and What to Do about Them.

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