Why is my dog licking and biting his butt? Should I be concerned?
Poor Tank! There are a number of problems that could cause this behavior. He may have a skin problem causing him to be itchy, such as [fleas](https://www.petcoach.co/article/how-to-check-your-pet-for-fleas-and-ticks), [allergies](https://www.petcoach.co/dog/condition/canine-allergies/), a bacterial or fungal skin infection, or skin mites ([mange](https://www.petcoach.co/article/what-is-mange-in-pets)). He could also have a problem with his [anal glands](https://www.petcoach.co/article/anal-glands-sacs-impactions-infections-abscesses-in-dogs), which are located on either side of the rectum and sometimes become overly full or infected. I would recommend having him examined by a veterinarian as soon as you are able. He or she can check the anal glands and also do some simple skin tests, if needed, to determine the problem and get him started on the appropriate treatment. In the meantime, place an e-collar (cone) on him to prevent licking.
Updated on September 23rd, 2025