Urea itself is not toxic. Urea is a metabolic waste produced by the human body, generally for normal people, urea in the body will reach a dynamic equilibrium process, after the production of the kidneys will be discharged through the kidneys with the urine.
When the kidneys have problems, urea can not be discharged in a timely manner, resulting in elevated urea in the body, the accumulation of metabolic wastes in the body can not be discharged in a timely manner, which will result in certain clinical manifestations, such as nausea and vomiting, fatigue, and loss of appetite. Improve the corresponding examination, will find that the body urea elevated, will give people a kind of urea toxic illusion.
When the problem occurs, you need to seek medical treatment in time, and if necessary, you need to take renal replacement measures, such as hemodialysis, peritoneal dialysis, and so on, and in serious cases, you need to replace the kidney.