https://www.vetsurgeon.org/f/clinical-questions/15411/has-anyone-used-detrusitol-tolterodine-tartrate-in-dogs I personally have a labrador x irish setter bitch 9 months old with house training issues, no matter what i have tried she is unable to go for more than 3 hours between urinations day and night , visially on pads the volume is always the same. She alsoen-USTelligent Community 10https://www.vetsurgeon.org/thread/89655?ContentTypeID=1Sun, 02 Jun 2013 13:51:52 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:273a8b5a-0a24-4f1e-ba52-fa910af456d3Sarah Keir<p>Have you ruled out ectopic ureters and other congenital water work issues (even bladder diverticulum could account for these signs).</p> <p>Sarah</p><div style="clear:both;"></div>