Stages Of Kidney Infection


A kidney infection may ultimately result in the complete damage of the kidneys if not treated immediately and appropriately.  However, this does not happen overnight.  Rather, the progress of the disease develops in stages, so an affected individual is given time to resolve the problem before it may reach to an uncontrollable level.

  • Acute Pyelonephritis.  This is the initial stage of kidney infection, which can occur to anyone at any age.  Most often this stage can be treated with antibiotics and natural or herbal medicines. However, acute pyelonephritis can also be an organ-threatening or even life threatening, infection that may lead to significant inflammation of the kidney(s).


The problem with acute pyelonephritis is that it is a complex condition and exhibits no consistent set of signs and symptoms.  That’s why clinicians have to keep on doing a high index of suspicions.

  • Chronic Pyelonephritis. This stage is characterized by a recurrent or persistent kidney inflammation that can injure the kidneys and eventually lead to chronic renal failure. Usually, chronic pyelonephritis occurs to patients who are prone to experience repeated acute pyelonephritis.
  • Emphysematous Pyelonephritis. This is a rare, severe gas-forming and life threatening condition of the renal parenchyma and its surrounding areas.  Usually, this condition is experienced by people who have diabetic infections.
  • Pyonephrosis. This condition is characterized by the presence of pus in the kidney, causing blockage of the ureters and consequently preventing the urine flow from the kidney to the urinary bladder.  Because of this, normal function of the urinary system is interrupted, leading to more severe health problems.  Pyonephrosis can cause the patient so much pain on his side between the ribs and hip as the kidney expands.
  • Renal abscesses.  These are very unusual diseases. A renal abscess is the presence of a large amount of pus in a hollow area that is formed in the kidney as a result of inflammation or breaking up of tissues.  This condition is usually caused either by bacteria from an infection that move up to the kidney(s) through the bloodstream, or by a urinary tract infection that ascends to the kidney and spreads to the kidney tissues. Renal abscess may also result from the presence of multiple skin abscesses and intravenous drug abuse.


In the past, renal abscess used to result in complete kidney failure; but due to the medical advances, it can already be cured. Proven methods to cure this disease have already been successfully performed.

Since kidney infection develops gradually, it is best recommended that you seek medical advice as soon as you feel any of the symptoms so that proper treatment can be applied before the condition worsens.  Depending on stages of the infection, symptoms of kidney infection can either be mild or severe, and can occur very quickly.  When kidney infection is at its advanced stage, the affected individual may experience these symptoms, such as: spiking fever, back pain around lower region, chills, upset stomach, vomiting, constant urge to urinate and/or the inability to pass urine, blood presence in the urine, and a burning feeling when urinating.  Besides, during physical examination, the patient may complain of pain around the kidney area.

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