Commonly called 'anal glands', the anal sacs are two small pouches located on either side of the anus at approximately the four o'clock and eight o'clock positions. Numerous specialized sebaceous sweat glands that produce a foul smelling secretion line the walls of the sacs. Each sac is connected to the outside by a small duct that opens just inside the anus.
Sue Paterson and Stephen Steen review this common problem, including how often they should be emptied, and discuss some of the misconceptions about antibiotics to use for infection. What are anal sacs and why do they fill up? Anal sacs, sometimes mistakenly referred to as anal glands, are two small structures located between the internal and external sphincter muscles.
Customer Service for Subscribers. My 7-year-old chocolate lab has been dealing with chronic anal gland infections since Feb. We tried various antibiotics, hot compresses, regular expressions,
When a dog defecates, the muscles contract and allow the anal sacs to release a foul-smelling, dark-colored substance and empty out the anal sacs. However, dogs that suffer from anal gland impaction, infection, or abscess cannot secrete this substance and often require veterinary aid. If these problems cannot be managed medically, the veterinary surgeon will need to remove the anal sacs.
The anal glands or anal sacs are small glands near the anus in many mammalsincluding dogs  and cats. They are paired sacs on either side of the anus between the external and internal sphincter muscles. Sebaceous glands within the lining secrete a liquid that is used for identification of members within a species.
By Dr. William E. Schultz, DVM.
Peter Dobias, DVM has 30 years of experience as a veterinarian. His love of dogs and passion for natural healing and nutrition led him to writing, teaching and helping people create health naturally, without drugs, chemicals and processed food. There is a general misperception that a dog's anal glands should be manually emptied on a regular basis.
They're not the stuff of dinner party conversations, but knowing how to spot a problem could save your dog a lot of misery. Picture the scene. You've just washed your dog from top to tail using the finest shampoo and conditioner money can buy, but even after drying him, the same horrible fishy odour you noticed pre-groom is still lingering in your poor nostrils. Sound familiar?
The lining of these sacs produce a smelly secretion. Each time a stool is passed it presses gently on these sacs and they empty through a duct onto the stool. In the wild they are used as territory markers nowadays they have no useful function.
The secretions are normally pungent and straw-colored with brown flecks. Anal sac impaction can lead to inflammation or infection of the anal sacs. Dogs are more commonly affected with anal sac disease than cats. Small breed dogs are more commonly affected with anal sac impaction than large breed dogs.