Nausea and vomiting in patients with chronic renal failure is the performance of the digestive system dysfunction. As per the severity of patients with a different and therefore the number of nausea and vomiting and extent are different, but many patients with clinical doctors often complained that Chen Qi nausea or vomiting increase, which is why it «First of all, we should know because Renal failure, blood urea nitrogen increased, the intestinal bacteria in the urease urea will be broken down into ammonia and stimulate the gastrointestinal mucosa and cause nausea, vomiting, nausea and vomiting which should increase with higher blood urea nitrogen on. Renal failure, the concentration of urinary dysfunction, a lot of patients with nocturnal enuresis, the water at night because of the large number of loss, blood concentration, thus increasing the relative value of Chen Qi BUN, nausea and vomiting Chen Qi increase. Learn more knowledge, Chen Qi, drink plenty of water, added attention to moisture, so that blood will not concentrate, BUN values remained relatively stable, can be avoided Chen Qi nausea or vomiting increase in the phenomenon.