(HealthDay News) -- Pyelonephritis is a bacterial infection of the kidneys that can occur at any age. It's more common in women than men.
Symptoms of the infection include fever, a burning sensation when you urinate, a frequent urge to urinate, cloudy or bloody urine, abdominal pain and fatigue.
While St. John's Mercy Medical Center offers no specific preventive measures for men, it says women should: