My doctor and consultants may believe I have IgA nephropathy, but I don't know how bad it is.

IgA nephropathy (IgAN, also known as Berger's disease) is a kidney disease, which affects the glomerulus. Glomeruli are the tiny blood filters where urine is made. IgA nephropathy is the commonest "glomerulonephritis" (inflammation of the glomerulus) found in the developed countries of the world. IgA is short for immunoglobulin A, an antibody which usually helps the body to fight infections and toxins (poisons) encountered in the gut and the lungs. In IgA nephropathy, IgA is deposited in the glomerulus and sometimes goes on to cause problems. Although much research is trying to fnd out why, it is still not understood why IgA is deposited in the kidneys and why it only sometimes goes on to cause problems.
　　Most commonly there are no symptoms at all. The urine of patients with IgA usually contains a small amount of blood, sometimes with protein. In most cases this is such a small amount of blood that it can not be seen ("microscopic haematuria") and it can only be detected by putting a special dipstick into the urine.

　　In most cases this condition does not affect normal life. There is no special diet that will make the disease go away or get worse.

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