Symptoms of kidney infections in men include back pain, blood in the urine, increased urinary frequency and abdominal discomfort, according to Mayo Clinic. Men with kidney infections may also experience burning upon urination or notice that their urine is cloudy or odorous.
Additional symptoms of kidney infections in men include flank pain, vomiting and fever, according to WebMD. Confusion is a common kidney infection symptom in elderly individuals. It is important for men who believe they may have a kidney infection to consult with a physician as soon as possible, as a severe blood infection can occur if the condition is left untreated.
Kidney infections occur when bacteria, most commonly Escherichia coli, or viruses move into the kidneys, explains the National Institute of Diabetes and Digestive and Kidney Diseases. Individuals with bladder infections, enlarged prostate glands and structural abnormalities in the urinary tract are at high risk of developing kidney infections. Additional complications of the condition include kidney scarring, chronic disease of the kidneys and kidney failure. Doctors typically treat kidney infections with antibiotic courses that range from 14 days to six weeks, depending on whether the infection recurs. In certain cases, individuals with severe kidney infections require hospital treatment with intravenous fluids and antibiotics.