A kidney infection occurs when bacteria travel from the bladder
up the ureters and into the kidneys. Sometimes kidney infections may occur when
bacteria in the blood enter the kidneys.
Symptoms of kidney
infection may include:
Painful urination and other symptoms of a
Pain in the flank, which is felt just below the rib cage and above the waist on one or both sides of the back.
Nausea and vomiting.
Oral antibiotics usually can treat kidney infections. But a
brief hospital stay and a short course of intravenous (IV) antibiotics are
sometimes required. If not treated with antibiotics, the infection may damage
the kidneys. The infection may also spread to the bloodstream and become
life-threatening, especially in young children and the elderly.