Why would someone get uremia?

Written by Huang Feng Fei

Urology

Updated on September 07, 2024

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Uremia, also known as end-stage renal failure, has many causes. Common surgical conditions include urological obstructions such as urethral blockage, kidney tumors, malformations, kidney cancer, and others, as well as numerous kidney cysts, all of which can lead to renal failure. Common internal medicine causes include chronic glomerulonephritis, long-standing hypertension, hypertensive nephropathy, diabetes, diabetic nephropathy, etc., which can also lead to renal failure. In summary, end-stage renal failure is referred to as uremia.

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What causes uremia?

Uremia is very common in clinical practice. It is mainly caused by abnormal kidney functions, leading to abnormalities in glomerular filtration, as well as in the reabsorption and secretion functions of the renal tubules, which results in a series of symptoms. Once uremia occurs, it can disrupt the internal environment of the body, cause electrolyte abnormalities, and even lead to life-threatening arrhythmias. Uremia is very dangerous in clinical practice and often requires regular hemodialysis treatment. Therefore, once uremia occurs, medical attention must be sought promptly.

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Is uremia contagious?

Strictly speaking, uremia is not an independent disease and it is not contagious. Uremia refers to the state where numerous causes chronically damage the kidneys over a long period, eventually leading to the destruction of most kidney tissue, resulting in the kidneys' inability to excrete metabolic waste. There are many causes of uremia, including chronic nephritis, diabetes hypertension, systemic lupus erythematosus, urinary system stones, and even prostate hyperplasia, among others, which damage the kidneys and lead to this condition. Generally, these causes are not contagious as they do not involve bacteria, viruses, or fungi. However, if uremia is caused by infectious diseases, such as hepatitis B virus or HIV, these infectious diseases can be contagious, but uremia itself is not contagious.

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Symptoms of pre-uremia

The pre-uremic stage is the period of chronic renal failure. During the pre-uremic stage, many patients may have no symptoms at all. However, some patients do experience many uncomfortable symptoms, such as back soreness and weakness, fatigue, and feeling cold easily. During this stage, patients may also experience nausea and vomiting, especially pronounced nausea after waking up in the morning, as well as weight loss. Some patients in the pre-uremic stage exhibit symptoms of edema, which can occur in the eyelids, facial area, or in both lower limbs. Additionally, patients may experience feeling cold, anemia, and an increased frequency of urination at night. Of course, some patients may also experience itching of the skin on both lower limbs.

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How is uremia caused?

Uremia, also known as end-stage renal disease, is actually the late stage of chronic renal failure development, capable of causing long-term chronic damage to the kidneys. There are many reasons for this, and if these causes persist over a long period, continuously harming the kidneys without effective removal or control, it could eventually lead to severe renal failure, ultimately causing uremia. The causes that can chronically harm the kidneys mainly include diabetes, hypertension, chronic nephritis, polycystic kidney, urinary system stones, tumors, and other such conditions.

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Does uremia cause blood in urine?

Patients with uremia may experience hematuria, but not all patients will do so. Uremia refers to a condition where over 90% of the patient's kidney tissue has been damaged. Due to the destruction of kidney tissue, when blood passes through the kidneys, it is indeed possible that red blood cells will leak from the glomeruli into the urine. Therefore, patients with uremia may exhibit signs of hematuria, especially those caused by primary chronic glomerulonephritis. If the uremia is caused by tumors or kidney stones leading to urinary obstruction, this situation can cause bleeding in the ureters or bladder, also resulting in hematuria. However, most patients with uremia have a very low chance of experiencing hematuria because the vast majority of their kidney tissue has been destroyed, even up to 100%, leaving no urine production, and thus no blood in the urine. If an anuric patient exhibits hematuria, the possibility of stones, tumors, or urinary tract infections should be considered.