Dog abscess
Abscesses in dogs are painful, swollen pockets of pus caused by bacterial infections, often resulting from injuries like bites or cuts.
Their causes can be:
Injuries
Dental issues
Anal sacs issues
Other infections such as internal abscess from organs
Written by Dr. Mariella Roberts, Veterinary Surgeon, Animal Trust Vets CIC | Published May 2025 | Review date May 2027 | This advice is for UK pets only and is not a replacement for seeing a vet
Symptoms
Swelling or lump on the body, which may be painful
Pus discharge, especially if the abscess bursts
Fever
Not eating or lethargy
Pain or reluctance to move
When to contact your vet
Visible signs of pain and infection
Abscess near critical areas such as mouth or eyes
General illness
Abscess not healing or bursting
Diagnosis
Physical exam by your vet and history
FNA (needle inserted into lump to collect cells for examination)
Culture and sensitivity to identify the bacteria
Dog abscess treatment
Draining the abscess (lance it)
Antibiotics
Pain relief and anti-inflammatory
Surgery if the abscess is caused by a foreign object like a grass seed or a tooth to be removed
Prevention
Supervise play to prevent bites
Avoid hazards like stick or other objects
Maintain good dental hygiene
Manage anal glands issue with regular expression by your vet and fiber diet
Maintain healthy weight
Flea and tick prevention with regular products
Outlook
With prompt and appropriate treatment, most abscesses in dogs have a good outlook and can heal completely. However, some abscesses, particularly internal ones or those left untreated, can be serious and even life-threatening. Prompt veterinary attention is crucial for diagnosis and treatment.