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Treatment for Anal Sac Inflammation & Scooting


Treatment of Anal Sac Inflammation in Dogs

When your dog's anal sacs are swollen and inflamed they are treated by draining. Draining is done manually or surgically with a scalpel and under anesthetic. When done manually, the procedure is called anal sac expression.

Do not have your pet's groomer empty the anal sacs. Although many groomers offer anal sac expression as one of their services, this is not a grooming procedure. Anal sacs that are not self-emptying indicate a medical problem that your veterinarian can help you solve.


Increasing the amount of fiber in your dog's diet can help prevent anal sac inflammation and scooting.


Anal Sac Expression (Emptying) in Dogs

Manually Emptying (Expressing) the Anal Sacs

Dog anal sacs are emptied manually either by external or internal expression. Disposable gloves are worn and tissues are prepared to collect the expressed material. With external expression, fingers are placed outside the sacs at the four o'clock and eight o'clock positions and the two sacs are squeezed together. With internal expression, one finger is placed just inside the anus and another finger on the outside of one of the anal sacs and the sac is squeezed.

With both internal and external expression, the sacs are milked gently in an upward direction toward the duct outlet. Sacs are milked and massaged until they are completely empty. The skin is cleaned after expression with an antibacterial agent such as Chlorhexidine. Many veterinarians recommend inserting a hemorrhoid suppository into the anus to release healing homeopathic medication into the area to prevent the procedure itself from causing inflammation.

If your dog was scooting because the anal sacs were full, expect the scooting to stop within 24 hours. Some dogs may be more uncomfortable for a short time after the procedure. If your dog was scooting because of food allergies, fleas, or ringworm that cause itching, expressing anal sacs will not resolve the scooting.

Both internal and external expression are best done by your veterinarian who is able to address the underlying cause, as well as to take the time to gently milk the sacs and ensure they are completely empty. Anal sacs are normally self-emptying, and if they are full or inflamed, there is a medical problem that needs to be addressed.

Surgically Emptying (Expressing) the Anal Sacs

When the anal sac ducts are blocked, your dog is anesthetized and the sac is opened surgically with a scalpel. The sac is flushed with an antiseptic solution and the duct is unblocked. An antibiotic is then flushed into the sac. If your dog has a chronic anal sac problem, or a serious abscess, the surgical procedure may need to be repeated twice a week for 2-3 weeks until healed. If the anal sac has ruptured, your dog will need to have a drain sewn in place. A drain is a flat, open rubber tube that allows material to flow from inside the wound to the outside of the body. With the drain in place, the skin cannot heal over and trap bacteria inside. Instead the area is forced to heal in the healthiest manner—from the inside out. A drain is left in place until no more infected material is produced and your dog will be given an Elizabethan collar so he or she cannot remove the drain. The area is flushed daily and antibiotic is instilled. If your dog heals normally, the drain is removed in 3-4 days.

For chronic sacculitis, anal sac abscess, or anal sac rupture, your dog may need systemic antibiotics, such as Clavamox (Rx), Cephalexin (Rx), or Zeniquin (Rx). However, the antibiotics with the greatest benefit are those flushed directly into the anal sacs, such as Panalog (Rx) or Animax (Rx).

Your veterinarian will submit a sample of the anal sac material to a laboratory for analysis when the surgery is done. Analysis of the material ensures your pet is on an antibiotic that kills the bacteria which caused the problem.

If the area does not heal within a few days, and your pet is on an effective antibiotic, your veterinarian will investigate the possibility of other problems, such as cancer.

Surgical Removal of Anal Sacs

For pets with chronic anal sac problems, some veterinarians recommend surgically removing the sacs. While removal prevents anal sacs from becoming inflamed or abscessed, it may not address the cause of the problem. If your dog was scooting and developed anal sac inflammation because of an itchy bottom due to food allergies, your dog will still scoot after the surgery unless his or her diet is changed.

Surgical removal can lead to fecal incontinence if nerves to the perineum are cut. This is rare, but can occur. It is less likely to occur if only one sac is removed because the muscles that close the anus will work efficiently if one of the nerves is intact.



Relieving Your Dog's Anal Pain and Reducing Bacteria

Inflamed or infected anal sacs can cause extreme pain. Pets will lose their appetites, withdraw from social interaction, bite when handled, whine or cry out, and create self-inflicted wounds trying to stop the pain. Opening and draining the anal sac provides a significant amount of relief, but does not completely remove the discomfort. Some veterinarians flush the anal sacs with DMSO to reduce pain and inflammation. Veterinarians prescribe medications to control inflammation or numb the area, such as Lidex cream (0.05% fluocinolone), Cetacaine, or Genesis Topical Spray. Homeopathic hemorrhoid suppositories can help soothe the area without inducing defecation. Some pets benefit from sitz baths or warm compresses.

Treatment for Anal Fistula in Dogs

Anal fistulas are treated with medications that control your dog's immune system so that white blood cells no longer damage the tissues, creating tracts through the skin. Medications most commonly prescribed are Prednisone (Rx), Cyclosporine (Rx) or Tacrolimus (Rx). The skin under your dog's tail is cleaned with an antiseptic.



Prevention of Anal Sac Inflammation in Dogs

Anal sac inflammation can be prevented. If your dog has one episode that necessitated having the anal sacs emptied either manually or surgically, make the following changes to help prevent reoccurrence:

Increase fiber in your dog's food with fruits, vegetables, whole grains, or Omega 3 fatty acids. Fiber increases the size of the stool so it does a better job compressing and emptying the anal sacs when your pet defecates. Fiber is especially important if your pet is on ZD or ZD Ultra diet that produces soft stools. For sources of fiber, consider the following:

  • Cats often enjoy cooked rhubarb.
  • Dogs and cats enjoy cooked squash or canned pumpkin (not the pie filling with sugar, but the plain canned pumpkin), oatmeal, oat bran, and wheat bran.
  • Dogs and cats benefit doubly from fiber in ground flax because flax is also rich in Omega 3 fatty acids. The best supplement sources of flax are Be Well for Dogs and The Missing Link Ultimate Skin & Coat. Be Well has organic green tea (decaffeinated), which provides more antioxidants than Vitamin C, organic flax, and organic barley sprouts, molasses (sugar removed), sunflower seeds, beef liver, alfalfa, carrot, fish, oyster, kelp, lecithin, garlic, and yucca. Be Well for Dogs has 1000 mg of Omega 3 per serving. Be Well for Cats has 250 mg Omega 3 per serving, but no green tea.
  • Psyllium, which is present in Vetasyl, also provides fiber.

Keep your pet's bottom clean with ChlorhexiDerm Flush or baby wipes.

If your pet's bottom is inflamed, clean it, and apply topical treatments that kill bacteria but do not contain steroids, such as OxyDex Gel (Rx) and Miracle Mist Spray with tea tree oil.

If your pet's bottom is itchy as well as inflamed, clean it, and apply topical treatments containing an antibiotic and a steroid, such as Genesis Topical Spray (Rx), Betagen (Rx), Animax (Rx), or Panalog (Rx).

If your pet has ringworm, use Clotrimazole, Miconazole (Rx), or Malaseb Shampoo.

Eliminate your pet's fleas.

Use homeopathic hemorrhoid suppositories periodically to help stimulate a healthy anus and prevent inflammation and anal sacculitis. These suppositories help heal tissue, and reduce itching and inflammation. They do not stimulate a bowel movement.


More Information on Anal Sac Inflammation and Scooting

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