Signs of High BUN in Stage 4 CKD: Vomit and Smells like Ammonia

With the serious kidney function decline, stage 4 CKD patients usually suffer a lot of symptoms. Among of these symptoms, vomit and smells like ammonia both are the signs the high BUN. Today let us have a study about the two symptoms in stage 4 CKD.

How the high BUN lead to smells like ammonia?

With the kidney function decline, there are many toxin stayed in body, including the BUN. When the urea in blood diffuse into the intestinal tract, it will be decomposed into ammonia at the work of urease. The ammonia will be excreted with esophagus, so patients always feel smell like ammonia. In addition, the urea in saliva also can be degrade into ammonia. Moreover when the urea is diffused into pulmonary alveoli with pulmonary circulation, patients also will suffer smell like ammonia when they breathe.

How the high BUN lead to nausea and vomiting?

When the urea can enter into digestive tract with the blood circulation. Under the work of urease, the urea will be broke up into ammonia which can lead to fibrinous inflammation in gastrointestinal mucosa. In addition, the imbalanced electrolyte and acidosis also can enlarge the gastrointestinal mucosa. Both of them can lead to the gastrointestinal tract function damage, accompanied with symptoms of nausea and vomiting.

According to what we mentioned we can know that high BUN is very serious. And stage 4 CKD patients who want to get rid of these symptoms from root need repair their injured kidney and reverse the kidney function. Then what patients can do to save their kidney. Traditional Chinese Medicine is recommended by our specialists for it can cleaning the toxins in blood, promoting the blood circulation and stopping kidney damage as much as possible.

Now you should have a simple knowledge about the signs of high BUN:vomit and smells like ammonia. And if you want to know more information about stage 4 CKD, you can contact our online doctors, leave us messages or send email to, we will reply you as soon as possible.

tag: CKD Symptoms

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