[header] How to diagnose urinary tract disease in senior dogs [title] Notice if your dog has trouble urinating. [step] One of the most common symptoms of urinary tract disease is an inability to urinate. Signs of urinary tract disease also include straining to urinate, urinating frequently or only urinating in small amounts, as well as crying when urinating. 
[substeps] If your dog does urinate, check their urinate for any blood. You should also note if their urine appears cloudy, as this could be a sign of an infection.