IgA nephropathy (Berger’s disease)

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Male urinary system

Nephropathy - IgA; Berger's disease

• Changes in color of urine - bloody, dark, brown, or rust colored
• Repeated episodes of dark or bloody urine

There are no specific changes seen during a physical examination. Occasionally, blood pressure may be elevated or swelling of the body may be present.

• Urinalysis shows blood and red cell casts in the urine , and may also show protein and fats.
• Kidney biopsy shows deposits of IgA antibodies and confirms the diagnosis.
• Urine immunoelectrophoresis shows antibodies to IgA.

Review Date: 09/13/2005
Reviewed By: Robert Mushnick, M.D., Clinical Assistant Professor, SUNY Downstate Health Center, Brooklyn, NY. Review provided by VeriMed Healthcare Network.