Anal Gland Disease in Dogs: Symptoms and Treatment

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What Is Anal Gland Disease?

Anal glands (anal sacs) are two small sacs on either side of a dog’s anus that normally empty a pungent secretion when the dog defecates. Anal gland disease includes impaction (failure to empty), infection (bacterial overgrowth), and abscess (pus-filled swelling that may burst through the skin).

When glands don’t empty properly, the fluid thickens, blocks the ducts, and can become infected. This causes discomfort, pain, and sometimes serious infection. Anal gland issues are very common in dogs and are manageable with proper care.

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Symptoms of Anal Gland Disease in Dogs (Early Signs, Progressive Symptoms, Emergency Signs)

Early Signs

• Scooting (dragging rear on the ground)
• Licking or biting at the rear
• Tail chasing
• Foul odor near the tail
• Difficulty or discomfort when defecating

Progressive Symptoms

• Persistent scooting
• Swelling beside the anus (one or both sides)
• Pain when tail or rear is touched
• Reluctance to sit
• Blood or pus in stool or near anus
• Straining to defecate
• Loss of appetite or irritability

Emergency Signs

• Large, painful, hot swelling beside the anus
• Ruptured abscess — Open wound with discharge
• Severe pain — Crying, aggression when touched
• Fever or lethargy
• Difficulty defecating for more than 24–48 hours

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What Causes Anal Gland Disease in Dogs?

• Anatomy — Some dogs have narrow ducts or glands that don’t empty well
• Soft stools — Insufficient pressure during defecation to express glands naturally
• Obesity — Extra fat may affect normal emptying
• Chronic skin or allergy issues — Inflammation can involve the anal area
• Hypothyroidism — May alter gland function
• Breed predisposition — Small breeds are affected more often
• Diet — Low fiber can contribute to soft stools and poor expression

Breeds Most at Risk

Small and toy breeds are most commonly affected:

• Chihuahua
• Toy and Miniature Poodle
• Cocker Spaniel
• Beagle
• Basset Hound
• Dachshund
• Lhasa Apso
• Shih Tzu

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How Anal Gland Disease Is Diagnosed

Diagnosis is usually straightforward:

1. Physical exam — Rectal palpation to check gland size, consistency, and pain
2. Expression — Manual expression to evaluate content (thick, infected, bloody)
3. Cytology — Microscopic examination of expressed material for infection
4. Culture — If infection is recurrent or severe

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Treatment Options (Medical Management, Surgical Options, Alternative/Supportive Therapies, At-Home Care)

Medical Management

• Manual expression — Emptying glands by applying gentle pressure
• Antibiotics — For infection (oral or sometimes topical)
• Anti-inflammatories or pain medication — For discomfort
• Warm compresses — To help abscesses mature or drain
• Flushing and medication — For infected or abscessed glands

Surgical Options

• Sacculectomy — Surgical removal of the anal glands for chronic, severe, or recurring disease
• Considered when medical management fails or abscesses recur frequently

Alternative/Supportive Therapies

• Fiber supplements — Psyllium, pumpkin, or vet-recommended products to bulk stools
• Weight management — If obesity is a factor
• Probiotics — May support gut and stool quality
• Fish oil — Sometimes used for skin and inflammation

At-Home Care

• Routine expression — If your vet teaches you and it’s appropriate for your dog
• High-fiber diet — To promote firmer stools and natural expression
• Monitor — Watch for scooting, licking, or swelling
• Avoid squeezing — Don’t express severely impacted or infected glands at home; this can cause pain or rupture

Prognosis & Life Expectancy

Most dogs improve with expression and medication. Recurrence is common in predisposed dogs. Surgical removal, when needed, usually resolves the problem permanently, though there is a small risk of complications (e.g., fecal incontinence). Life expectancy is unaffected; the condition is an inconvenience rather than life-limiting when managed properly.

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Prevention

• Adequate fiber — Diet that produces firm, well-formed stools
• Healthy weight — Reduces pressure and inflammation
• Routine expression — For dogs with a history of impaction (by vet or trained owner)
• Prompt treatment — Address early signs before infection or abscess develop
• Manage allergies — If skin disease contributes to inflammation

Cost of Treatment

• Expression (in-office) — $25–50
• Office visit and medications — $75–150
• Abscess treatment — $150–400 (sedation, flushing, antibiotics)
• Anal sacculectomy — $500–1500+

Frequently Asked Questions