Symptoms of Elevated BUN
What symptoms patients with kidney disease may experience when their BUN (Blood Urea Nitrogen) is elevated? High BUN level is an abnormality and usually caused by kidney problem, as kidneys play the role of excreting excessive BUN in blood. Basing on clinical studies, BUN level begins to increase when about a half of kidney function is affected. Therefore occurrence of elevated BUN is always accompanied with a group of symptoms. Here, we will mainly introduce common symptoms of elevated BUN.
1. Nausea or vomiting
Nausea or vomiting is a torturous symptom that occurs easily when BUN is elevated. BUN is the abbreviation of blood urea nitrogen which refers to the level of urea nitrogen in blood. Urea nitrogen is the end product of protein. When excessive urea nitrogen can not be discharged timely, they will build up in the body and stimulate digestive tract, and thus cause nausea or vomiting. In serious cases, patients may vomit blood.
2. Itchy skin
Itchy skin is another annoying symptom that occurs easily when BUN is elevated. As we have mentioned, urea nitrogen is the end product of protein. They can stimulate skin and sebaceous gland, and thus cause atrophy of sweat gland, which can cause dry skin and itchy skin.
Kidney disease patients with elevated BUN may find they become tired easily and this is usually caused by renal anemia which is diagnosed when red blood cell account is lower than the normal range due to kidney disease.
4. Foamy urine
Foamy urine is the clinical manifestation of proteinuria. In normal cases, no protein can be detected in urine, however, when kidney are injured, protein will leak into urine. When proteins get out of patient’s body with other wastes, foams will be formed.
5. High blood pressure
High blood pressure is another symptom that occurs when BUN is elevated.
For kidney disease patients, BUN is elevated as kidney function is impaired seriously, and in that case, they may experience various symptoms. We mentioned the most common ones above and if you want to learn more, please leave message to email@example.com directly.
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