Azotemic is a medical term used to describe the presence of high levels of nitrogen-containing compounds, such as urea and creatinine, in the blood. Synonyms for azotemic include uremic, azotemic uremic syndrome, renal failure, and uremia. Uremia is a condition that occurs when the kidneys cannot filter waste products from the blood, leading to the accumulation of toxic substances in the body. Azotemic uremic syndrome is a severe form of uremia that can cause complications such as seizures, coma, and even death if left untreated. Other synonyms to describe azotemia include kidney dysfunction, renal insufficiency, and kidney disease.