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8 Jun 2017 09:00:00 Frances



Why does my dog keep licking his bum?


If your dog

  • often rubs or scoots their bottom along the floor

  • Is continually licking around their tail and bottom

  • Is always trying to bite the area around their tail

You certainly have a dog with an itchy bottom so what could be the cause and what can you do to help?

A trip to the vet is probably needed to determine exactly what's causing the problem but the most common causes are:

  • Anal glands being blocked or infected
  • Your dog has worms
  • Your dog has fleas
  • Your dog has a food allergy

So what are dog anal glands?

The anal glands are two small glands located around the opening of a dog's bottom and are partly responsible for the foul smell of dog poo!  For us humans, all poo smells the same - pretty gross. However for our four legged friends with their heightened sense of smell, every pile smells different.

Each dog has her own unique blend of pheromones which when secreted by the anal gland gives every poo its own unique smell. That's why your dog will often sniff another dog's bottom or poo. She is getting unique information about the owner of that bottom.

Pretty gross right? Well in a healthy pet it's not too much of an issue but for a dog that suffers with anal gland problems, it's a very smelly and uncomfortable affair.


Blocked anal glands

For some dogs, the anal glands can become compacted. This means that the hole from which the mucus is secreted becomes blocked by a thickening of the mucus and their signature scent cannot be emitted. The afflicted dog will start to feel very uncomfortable and the area around the anus may become red and sore.  If you notice your pet scooting across the floor on its  bottom or constantly licking its rear end then it's an indication that she may be suffering from an anal gland issue.

It's obviously vital that you visit your vet in the first instance to rule out anything more serious; however if your vet thinks it is an anal gland issue then he will probably suggest expressing the anal glands. Lots of information on the web will tell you how to do this yourself however I really wouldn't advise it. It's a smelly job, with a brown foul smelling liquid being expressed, and if not done properly, could cause considerable discomfort to your pet. Leave it to the experts.

However, there is plenty that you can do yourself to alleviate this condition. Personally, I recommend that you try to identify the root cause of the problem first. Expressing the anal glands is a short term fix and will provide your pet with some temporary relief however if you don't address the underlying problem in the first place, you may well end up back at the vets within a couple of months with the same complaint on your hands.

Diet is the biggest culprit when it comes to compacted anal glands.   Many of us feed our dogs on commercial dog foods which contain a high cereal content. Whilst commercial, grain based dog foods are convenient they are generally not the best diet for our pets. If you're reading this article you may well have heard of the BARF diet. A diet composed of raw meaty bones and vegetables. This is the ideal diet for keeping our dogs healthy and for avoiding anal gland compaction. When you feed your dog bones, it helps to keep the stools firm. A firm stool is essential for expressing the anal glands. Too soft and the anal gland will not be expressed fully hence leading to a build-up of mucus and therefore compaction. Not rocket science right?

If you really can't completely give up the commercial pet foods then try to incorporate a few simple changes into your pet's diet such as adding a bone to her dinner. Contrary to popular belief it shouldn't be a hard bone such as a marrow bone. Instead choose a soft bone like a chicken wing or lamb shoulder that the dog can quickly crunch. This has the added advantage of meaning that your dog won't be chewing all afternoon on her bone and/or guarding it. Just remember to never feed cooked bones to your pet which they cannot digest properly.  Cooked bones are harder, more brittle and more likely to splinter than raw ones and may prove fatal to your pet.

Adding bran to the diet is often suggested; however, in my experience, this only makes the poo bulkier and softer. Ideally, your pet stools should be firm enough to encourage the anal gland to express itself naturally. The easiest way to achieve this is to feed raw bones. Or add PetCol to the diet.

If a change in diet fails to improve your pet's anal gland issues then it might be time to visit the vet again.  On rare occasions it is possible that compaction may be cause by an underlying genetic issue. Sometimes, the anal glands are located too deep in the rectum. This means that there is not enough pressure on the glands to enable them to express themselves properly. In this case, medical intervention will be essential and as a last resort the glands may be surgically removed.

New  PetCol daily sprinkle  for healthy tums and bums and homeopathic Anal Gland Support.  Just in  Ring o' Fire  herbal mix from CSJ K9.  These may just be the answer to your dog's rear end discomfort!  

If you dog has a food allergy that is causing the itchy bottom then feeding a raw natural diet will normally be the easy answer to fixing the problem. Read our blog on natural diets.


Your dog may have got worms because they have or have had fleas.  The most likely places to find fleas on your dog are on their head, behind the ears, under their ‘armpits’ and around the base of the tail.  If when you groom your dog you find little black specks, these could be flea dirt.  Drop the black specks onto a damp bit of tissue and if the tissue turns red then you are definitely looking at flea dirt.  Fleas and tapeworms have an interdependent life cycle so if your dog has fleas then it most likely has worms too, yet another cause of the itchy bottom! Read our blog on fleas here or browse our range of natural flea and worming treatments.


I notice that when my dog is out on a walk she does several poos. The first are generally hard stools but very often, she will pass a liquid mucus towards the end of her walk. Is this a sign of an anal gland issue? She isn't displaying any other signs.

If your dog isn't displaying any other signs of discomfort e.g. licking her bottom constantly and scooting across the floor on her hind legs then I wouldn't worry too much. It is important to monitor your dog's health on a daily basis. It's a good idea to check their stools regularly so that you become accustomed to recognising their normal appearance. Any changes to the shape, smell or consistency of their poo will give you an indication of whether there is a problem or not.  Any lasting changes to appearance or consistency (more than a day or two, sooner for a puppy or elderly dog) may require a visit to the vet to be on the safe side.

I express my dog's anal glands every month or so. I've just read your article and am now wondering if I have been doing the wrong thing?

Some people express their dog's anal glands themselves. In fact, if you regularly express their glands you may be doing them more harm than good. The muscle around the anal gland will naturally contract when the animal is passing faeces. If you regularly artificially express the gland then you risk interfering with its natural cycle and may end up causing a problem which did not exist in the first place. Anal glands should only be expressed when necessary and when advised by a vet.

My dog is constantly licking her bottom and I have seen her 'scoot' across the floor.  I've checked her bottom and it doesn't look sore but could it still be an anal gland infection?

There are many reasons why dogs lick their bottoms. Do remember that bottom licking is part of a natural self-cleaning process. However, if you feel that the licking is excessive or unusual for your dog then it would be worth taking her to the vet. If it is not an anal gland infection it could be worms causing her to lick. When did you last worm your dog? Check her stools to see if you can see any worms although remember that worms are not always visible in faeces.  We recommend herbal Wormwood Complex if your dog is carrying unwanted visitors in their gut! 


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