Glomerulonephritis and bacterial pyelonephritis are two of the most usual kidney disorders that appear due to infections.

The inflammatory disease which implicates the renal glomeruli of both kidneys is called acute glomerulonephritis. It is believed that this disease involves antigen-antibody reaction, and that is causing damage to the glomerular capillaries. Seems that often this disease appears as a result of an allergic or immune response to infections that are located in other parts of the body. Usually, acute glomerulonephritis follows a streptococcal infection of the respiratory tract or a skin infection like impetigo.

Chronic glomerulonephritis starts mostly without symptoms, insidiously and often over many years. It is a slowly progressive disease which makes inflammation of the glomeruli, resulting scarring, sclerosis and renal failure.

A lot of diseases determine the apparition of glomerulonephritis. Some of them are , hepatitis, measles, syphilis, pneumonia and malaria. The disease will progress continuously, unless it is treated immediately, or kept on antibiotics for a long period to eliminate the infection. Strep infection is the most common cause of glomerulonephritis.

This disease is considered chronic, if it is still present after one or two years. This happens with a small percent of patients. Unfortunately, the damage of the kidneys continues to progress, slowly, and showing no symptoms, but after twenty-thirty years, the kidneys will no longer function, and, because of that, a transplant or dialysis is needed.

The inflammation of one or both kidneys is called pyelonephritis. It may be cronic, acute or relapsing, and has variable manifestations. It's usual complications are renal insufficiency, renal failure, hypertension and chronic infection. It is known that usually, the chronic disease progresses extremely slowly, and the patients can have adequate renal function for more than twenty years since the disease started.

A bacterial infection is the most frequent cause of this disease. Intestinal and fecal flora can easily grow in urine, and there are factors that increase the probability of developing such an infection. Some of those factors are stagnation of urine due to backflow from the bladder, kidney stones, urinary tract infections, pregnancy, abnormal growth of the prostate gland and scars from previous infections.

The treatment for glomerulonephritis obliges the patient to rest and take antibiotics for any bacterial infection. After the tests reveal that the kidney came back to normal, treatment may continue for one to two weeks. It is also known that protein and sodium are forbidden.

If a patient has pyelonephritis, the measures are to correct any obstruction, and to eliminate the bacteria with antibiotics, which can be given orally, or intravenously.

If there is a problem and the obstruction cannot be eliminated, and the infection still persists, it might be necessary to start the long-term antibiotic therapy

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