What is the most common complication of UTI?

Complications of urinary tract infections include:

• Persistent lower urinary tract symptoms.
• Staghorn urinary calculi.
• Pyelonephritis.
• Emphysematous pyelonephritis and cystitis.
• Incontinence.
• Focal renal nephronia.
• Renal abscess.
• Chronic prostatitis.