What is BUN?

Blood urea nitrogen bun is a method of evaluating renal function. It is an index for evaluating renal filtration. In patients with renal insufficiency, this index can be significantly elevated. It shows that the index is elevated. It is recommended that patients go to urology or nephrology for treatment. It is clear what causes the index to rise. It is recommended that patients should be treated as follows. First, limit drinking water. Patients need a high-quality protein diet and appropriate physical exercise to prevent catching cold. Second, if necessary, relieve the obstruction and restore kidney function or regular kidney preservation therapy.