Will acute nephritis cause facial swelling?

Written by Zhou Qi
Nephrology
Updated on September 06, 2024
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Acute nephritis can also cause facial swelling in patients. The pathological damage in patients with acute nephritis is the diffuse proliferation of glomerular cells, which reduces the glomeruli's ability to filter blood. As a result, patients may experience proteinuria and hematuria. Decreased kidney function in water excretion can lead to water accumulation in the body, causing edema in the lower limbs or facial area. The increase in urinary protein can also increase vascular permeability and decrease plasma osmotic pressure, leading to the movement of water outside the blood vessels. These factors can all cause edema. In the body, water tends to accumulate in areas where tissues are looser, such as the facial area. Thus, it is possible for patients with acute nephritis to experience facial swelling.

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Written by Zhou Qi
Nephrology
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post-acute nephritis sequelae

Acute nephritis is a self-limiting disease, and most patients can fully recover, so the vast majority of patients generally start to show improvement in routine urine tests three to four weeks after onset, with normal kidney function and resolution of edema, resulting in few, if any, sequelae. Of course, a small number of patients may experience prolonged unhealed conditions that can progress to chronic nephritis. These patients may then develop complications, including hypertension and renal anemia, which are long-term potential issues. However, the vast majority of patients with acute nephritis do not experience complications or sequelae.

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Written by Li Liu Sheng
Nephrology
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acute nephritis symptoms

Acute nephritis is commonly seen in children and occurs more in males than females. It typically begins one to three weeks after an infection, mainly due to a post-streptococcal infection. The main symptom of acute nephritis is the appearance of edema, which is often an initial manifestation. Typically, this includes swelling of the eyelids in the morning, sometimes accompanied by mild swelling of the lower limbs. In addition, a urinalysis of patients might reveal blood, which can appear as either gross hematuria or microscopic hematuria. Furthermore, some patients with acute nephritis may also experience elevated blood pressure, primarily related to the edema. If managed through diuretic treatment, conditions may gradually return to normal. In severe cases of acute nephritis, symptoms can include dizziness, hypertensive encephalopathy, and even reduced urine output leading to acute kidney failure. Therefore, it is crucial to give significant attention to patients with acute nephritis and treat them actively to avoid severe complications.

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How long does hematuria last in acute nephritis?

The condition of acute nephritis is generally quite severe. Patients may experience hematuria and proteinuria, with diffuse cellular proliferation in the glomeruli. However, this disease is self-limiting, and the condition can heal on its own. It is important to control the causes of acute nephritis and the complications it may cause to help patients overcome the difficulties. Afterward, the patients' hematuria and proteinuria could potentially disappear. Generally, it takes about 3 to 4 weeks for the urinalysis to turn negative, and some patients may even take up to six months to recover. If recovery takes more than six months, it is possible that the patient's acute nephritis has become chronic nephritis.

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Nephrology
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Can people with acute nephritis eat beef?

In the acute phase of nephritis, patients are generally required to have a light diet and minimize their protein intake, with their protein intake level being about 80% of that of a normal person. They should primarily consume animal-based proteins, which should account for more than 50% of their intake. This principle is called a high-quality, low-protein diet. Therefore, overall, patients with acute nephritis can eat beef, as it is considered a high-quality protein. However, the amount ingested needs to be limited. The intake of beef should be calculated based on the patient's body weight, with every 100 grams of beef containing 20 grams of protein. The total daily protein intake for patients should be 0.6 to 0.8 grams per kilogram of body weight, including both animal and plant proteins. Patients can use the aforementioned data to calculate how much beef they can eat.

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Does acute nephritis cause fever?

Acute nephritis is actually a sterile inflammation, with significant proliferation of cells within the glomeruli, primarily related to immune dysfunction. Therefore, from this perspective, acute nephritis does not show symptoms of fever. However, due to the inflammatory response within the glomeruli causing acute nephritis, patients may experience renal failure. In the state of renal failure, the patient's immune capability further decreases, which could lead to complications from infections, with respiratory infections being the most common, including pneumonia, bronchitis, and acute tonsillitis. These inflammations may cause fever, but this fever is not a direct result of the acute nephritis itself.