Changes in Urination

• Cats suffering from a bladder infection may display changes in urination habits, such as frequent urination.
  
  

Blood

• Some cats may have blood present in their urine (hematuria), which may be seen when the feline urinates outside of the litter box.
  
  

Pain

• A cat suffering from a bladder infection may show signs of pain, such as howling or meowing while urinating.
  
  

Straining

• A bladder infection may cause the cat to strain when attempting to urinate.
  
  

Additional Symptoms

• Additional signs of a feline bladder infection include dribbling urine, loss of appetite, vomiting, weakness and depression.