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Coronavirus (COVID-19) Updates

Brenner Children’s pediatric emergency department has moved back to its original location. Learn more

In order to help protect patients, family members and health care workers from the spread of COVID-19, no visitors are allowed at any of Wake Forest Baptist Health’s outpatient or inpatient facilities, except in certain situations.
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A to Z: Pyelonephritis

A to Z: Pyelonephritis

What's in this Article?

A to Z: Pyelonephritis

Pyelonephritis (pie-low-ne-FRY-tis) is an infection in one or both kidneys. Pyelonephritis happens when urine (pee) infected with bacteria flows up from the bladder or when an infection in the bloodstream reaches the kidneys.

More to Know

A kidney infection like pyelonephritis is similar to a bladder infection, as they are both urinary tract infections (UTIs). However, children are usually sicker with fever, back pain, or vomiting with pyelonephritis.

Keep in Mind

Pyelonephritis requires medical attention. A doctor will ask for a urine sample, and may order other tests, to determine the cause and best treatment. It's important to treat kidney infections with a full course of antibiotics. Untreated and repeat infections can lead to high blood pressure and kidney disease in adulthood.

All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.