Frequent urination
Straining to urinate
Passing only small amounts of urine
Urinating indoors or outside the normal routine
Blood in the urine
Cloudy or foul-smelling urine
Licking the genital area more than usual
Signs of pain or discomfort while urinating
Urgency to urinate
Accidents despite being house-trained
Increased thirst
Fever
Lethargy
Loss of appetite
Abdominal tenderness or discomfort
Whining or restlessness
Difficulty starting urination
Inability to urinate
Veterinary examination and urine testing for confirmation