ck this site
Signs Of Urinary Tract Infections In Dogs - UTI In Dogs Symptoms
i also found: These signs can include:
◦Blood in the urine
◦Fatigue and lethargy
◦Fever
◦Foul smelling urine
◦Straining when urinating
◦Tender lower stomach area
◦Urinating in inappropriate places
I suggest seeing the vet if you are concerned about it. Better safe than sorry. Hope nothing is wrong.