We do not express anal glands at Doggie Playmates. Once you start expressing a dog’s anal glands externally, the dog’s body gives up doing it naturally, meaning you will usually have to have them manually expressed every 4-6 weeks. If your dog isn’t having problems with them, nature is on task. If your dog is experiencing any form of anal problem, you should have your dog checked by a Vet to determine the cause of the issue and, if required perform an internal anal gland expression.