High blood pressure. Recently, urea 8.6, creatinine 12.

This phenomenon is generally considered to be caused by hypertensive nephropathy. You need to go to the nephrology department of the hospital in time for treatment. After diagnosis, you need to use antihypertensive drugs under the guidance of a doctor. Generally, angiotensin converting enzyme inhibitors and angiotensin receptor antagonists are given priority to. Usually, you need to pay attention to rest.