Does uremia transmit to others?

Written by Li Liu Sheng
Nephrology
Updated on March 24, 2025
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Uremia is not contagious to others because it is not an infectious disease. Uremia is a severe renal failure, so patients with uremia can interact, communicate, live, work, and study with healthy people without the need for gastrointestinal or respiratory isolation. Normally, if a patient with uremia is stable, they can engage in sexual activities and the disease will not be transmitted through sexual contact. Uremia usually presents symptoms such as nausea, vomiting, edema, and increased blood pressure. Therefore, patients with uremia need to undergo dialysis treatment. They can choose either hemodialysis or peritoneal dialysis. Dialysis treatment can significantly improve the symptoms of uremia and enhance the quality of life of the patients.

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Written by Zhou Qi
Nephrology
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What should I do about uremia heart failure?

Patients with uremia often develop complications of heart failure, which is actually the leading cause of death in patients with uremia. This type of heart failure is mainly due to the decreased ability of the kidneys to excrete water, leading to an increase in blood volume and an increased burden on the heart. It is also related to many factors such as the patient often having hypertension, anemia, coronary heart disease, etc. For such diseases, it is first necessary to assess whether the patient has excess water in the body. If there is too much water, urgent dialysis ultrafiltration is needed to remove the water. After the water is removed, the symptoms of heart failure will be significantly relieved. Secondly, it is necessary to deal with some other complications related to heart failure. For example, in the case of anemia, temporary blood transfusions or the use of erythropoiesis-stimulating agents to promote hematopoiesis can be used. Hypertension requires the use of antihypertensive drugs to control blood pressure and other comprehensive treatment measures. (Please use medications under the guidance of a doctor)

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Written by Guan Hai Fang
Urology
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Is uremia cancer?

Uremia is not cancer. Chronic kidney failure refers to the presence of various kidney diseases that lead to a progressive and irreversible decline in kidney function, culminating in a series of symptoms and metabolic disorders that form a clinical syndrome, commonly known as chronic kidney failure. The end stage of chronic kidney failure is what is often referred to as uremia. Uremia is not a separate disease, but a clinical syndrome common to various late-stage kidney diseases. It is a symptom consisting of a series of clinical manifestations that occur when chronic kidney failure enters its terminal stage. Typically, this includes disturbances in water and electrolyte acid-base metabolism, with metabolic acidosis and water-electrolyte imbalance being the most common.

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Written by Li Liu Sheng
Nephrology
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Precursors of uremia

The kidneys have a very strong compensatory ability. When kidney function is slightly impaired, they can generally still handle the basic physiological functions of the human body through compensation, so patients may feel that everything is normal. Despite the fact that the occurrence and development of uremia is a long and gradually worsening process, which can sometimes be very severe, it is still possible to detect early signs of uremia if one actively seeks them out early on. Early indications of uremia can be identified in time by going to the hospital for urine and blood tests. The early signs of uremia often manifest as general fatigue, which is the symptom most easily overlooked. Other symptoms of early uremia include edema, especially noticeable swelling of the eyelids and facial area after waking up in the morning. If it develops into systemic or persistent edema, the condition is already very serious. Additionally, early-stage uremia patients may also experience an increase in the frequency of nocturnal urination and more foam in the urine, as well as increased blood pressure, and even dizziness, headaches, and a lack of appetite. These are all early signs of uremia.

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Written by Guan Hai Fang
Urology
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What department is for uremia?

Patients with uremia are generally recommended to consult nephrology or urology departments. Uremia primarily results from the obstruction of toxic metabolic waste excretion, characterized by the accumulation of excessive protein metabolism products in the body, such as urea nitrogen and creatinine. This occurs due to amino acid metabolic disorders, leading to a reduction in essential amino acids, and consequently, symptoms of uremia manifest. Therefore, in the diet of uremic patients, it is important to restrict protein intake, particularly focusing on high-amino acid foods, mainly essential amino acids. It is generally advisable to adhere to a low-protein diet, with about 20 grams of protein supplied daily to alleviate the burden on the kidneys. Hence, choosing potassium-containing foods is crucial; if urine output is below 1000 milliliters, low-potassium foods should be selected to avoid consuming high-phosphorus foods like animal organs and brains, preventing an increase in blood phosphorus levels. Moreover, strict restrictions should be imposed on irritant foods, such as alcohol and chili peppers.

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Written by Zhou Qi
Nephrology
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What tests are involved in checking for uremia?

Uremia refers to the final stage of chronic renal failure, also known as end-stage kidney disease. Therefore, the first step in examining a patient with uremia is to check renal function. The patient's blood creatinine level must reach a certain level to diagnose uremia. Secondly, it is necessary to examine the urinary system through color Doppler ultrasound, and to conduct blood tests for routine blood indicators, electrolytes, parathyroid hormone, etc. The color Doppler ultrasound shows a reduction in kidney size, which provides evidence for the diagnosis of uremia. Patients with uremia often also suffer from various complications, including anemia, electrolyte disorders, hyperparathyroidism, and so on. Therefore, such patients also need to undergo examinations for routine blood parameters, electrolytes, and parathyroid hormone levels, among other indicators.