Your kidneys are 2 bean-shaped organs that make urine, balance your body’s water and mineral levels, and filter waste out of your blood.
Renal is a term that refers to the kidneys, and thrombosis means blood clot. Renal vein thrombosis is a blood clot in the renal vein, which is the main vein that carries blood away from your kidneys.
You usually don't have any symptoms unless you get kidney failure. Symptoms of kidney failure include:
If the thrombosis was caused by a general increase in blood clotting, you may have symptoms of blood clots in other organs, such as in your:
To find out if you have renal vein thrombosis, doctors may do:
Doctors will also do blood and urine tests to look for signs of kidney damage and for other causes of thrombosis.