Pyelonephritis

What it means

An inflammation of the kidney involving the parenchyma of kidney, the renal pelvis and the kidney calices.

Pyelonephritis may be unilateral or bilateral and is often characterized by abdominal pain, fever, nausea, and vomiting.

Rare diseases that can present with this7

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category