Common symptoms of a bladder infection in adults include:

• Abdominal pain:
• Pain in the lower abdomen
• Low back pain
• Bladder fullness
• Pain during urination
• Blood in the urine:
• Pink urine
• Red urine
• Increased urge to urinate
• Increased frequency of urination

Common symptoms of bladder infection in younger children:

• Bedwetting
• Increased frequency of urination
• Fever
• Loss of bladder control
• Loss of appetite

Common symptoms of bladder infection in infants:

• Fever
• Poor feeding in infants