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Sometimes a dog has behavioral problems beyond a lack of training.  If a week of consistent elimination training fails to help you and your dog, it is time to consider other solutions. Older dogs often just can't hold their waste as long, regardless of how well they are trained, and you may need to make accommodations to help your dog avoid accidents.  Let your dog out more often when you're home and pay attention to cues that she needs to go.  In addition, consider the following options:  If you have a secure yard, think about installing a doggie door so your dog can let herself out. Hire a dog walker or make arrangements with a trusted neighbor to come over and give your dog mid-day relief breaks. Provide piddle pads in a set location for your dog to use if she cannot wait until you get home. If you are having trouble identifying why your dog is still eliminating in the house, a consultation with a pet behavior specialist can be extremely helpful for diagnosing and treating the problem.  Ask your vet or other dog-owners in your area for a recommendation. If you suspect that your dog is eliminating in the house due to anxiety or unpreventable stress, ask your vet if anxiety medication might be right for your dog.  Medication, when used in conjunction with behavioral therapy and modifications to the dog's environment, will often help
Recognize when more intervention is needed. Understand that older dogs often need to eliminate more often. Consult with a pet behavior specialist. Ask your vet about anxiety medication.