Symptoms of recurring pyelonephritis

Written by Zhou Qi
Nephrology
Updated on September 05, 2024
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Pyelonephritis is an upper urinary tract infection. When the condition recurs, the initial symptoms are similar. Patients may also experience fever, and the temperature can rise quickly, even up to 40 degrees Celsius. There may also be a systemic inflammatory response, characterized by fatigue and loss of appetite, among other symptoms. Recurrence can also cause pain in the lumbar region, which may even radiate to the perineal area, and patients may also experience visible hematuria. In urinalysis, leukocytes or positive leukocyte esterase can be observed. These are the symptoms of recurring pyelonephritis.

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Written by Zhou Qi
Nephrology
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What should I do if pyelonephritis recurs?

Pyelonephritis, also known as upper urinary tract infection, is an inflammatory reaction caused by bacterial infection of the urinary system. Therefore, in cases of recurrence of this condition, it is still necessary to use antibiotics for bactericidal treatment, generally requiring a full two-week course, choosing drugs with low nephrotoxicity. Additionally, it is important to investigate whether there are any complicating factors for pyelonephritis, such as the presence of diabetes, urinary system stones, tumors, or urinary tract anomalies. Identifying and addressing these complicating factors can reduce the likelihood of recurrence of pyelonephritis.

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Written by Zhou Qi
Nephrology
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Is pyelonephritis more serious or nephritis more serious?

Pyelonephritis is an upper urinary tract infection caused by a bacterial infection, leading to an inflammatory response in the urinary system. The severity of this condition can vary. Nephritis, on the other hand, refers to the sterile inflammation within the glomeruli of the kidney, which also varies in severity. Therefore, it is challenging to compare these two diseases in terms of their severity. In the case of pyelonephritis, most conditions are relatively more treatable, and using antibiotics can control acute pyelonephritis. However, a small number of patients may develop severe complications such as perinephric abscess, acute renal failure, renal papillary necrosis, and even death from septic shock. The severity of nephritis also varies, with symptoms ranging from significant proteinuria to mild hematuria. Therefore, a comparison should be based on the specific conditions of the patients. (The use of medications should be under the guidance of a doctor.)

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Written by Zhou Qi
Nephrology
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Is pyelonephritis easy to treat?

Most cases of pyelonephritis start acutely, with patients abruptly experiencing bacterial infections in their urinary system, causing inflammation in areas such as the renal pelvis and calyces. This manifests clinically with symptoms such as fever and back pain. This acute onset type is called acute pyelonephritis, and it is relatively easy to treat because it involves a bacterial infection that requires antibacterial treatment. Hence, it is generally manageable. However, if a patient's condition becomes prolonged and turns into chronic pyelonephritis, treatment may be more challenging. The bacteria causing chronic pyelonephritis are often drug-resistant, and this condition might be associated with predisposing factors for urinary infections, such as urinary system stones, anatomical abnormalities of the urinary tract, or obstructions that can conceal bacteria or contribute to their resistance, making treatment more difficult.

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Written by Zhou Qi
Nephrology
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Pyelonephritis is an infection of the kidneys

In fact, pyelonephritis is not really nephritis; it is actually a type of bacterial inflammatory infection. Bacteria can infect many parts of the body. If the urinary system is infected and it reaches the renal pelvis and calyces, it is referred to as pyelonephritis. Over 95% of pyelonephritis cases are caused by bacterial infections, and 70% are due to Escherichia coli. Generally, this bacteria enters the urinary system from the urethral opening and ascends to the renal pelvis and calyces, where it proliferates and causes an inflammatory response. The main clinical symptoms of the patient are fever and back pain, and the patient may also experience gross hematuria (visible blood in urine).

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Written by Zhou Qi
Nephrology
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Symptoms of recurring pyelonephritis

Pyelonephritis is an upper urinary tract infection. When the condition recurs, the initial symptoms are similar. Patients may also experience fever, and the temperature can rise quickly, even up to 40 degrees Celsius. There may also be a systemic inflammatory response, characterized by fatigue and loss of appetite, among other symptoms. Recurrence can also cause pain in the lumbar region, which may even radiate to the perineal area, and patients may also experience visible hematuria. In urinalysis, leukocytes or positive leukocyte esterase can be observed. These are the symptoms of recurring pyelonephritis.