A member asked:

Low c.3c mean i am developing glomernephritis? all kidney function tests normal gfr was 79

7 doctors weighed in across 3 answers

Maybe: C3 may be low in a number of kidney diseases. Other conditions can reduce this complement component as well without kidney problems. Other blood and urine tests are needed to determine why your level is low, but it may not mean kidney problems.

Answered 8/26/2012

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Low c3 alone not dia: Low C3 level is seen in some type of kidney disease like post infectious glomerulonephritis and shunt nephritis.But if all the other tests like 24 hour urine test and spot urine test, and all other tests are normal including kidney functions, you do not have acute glomerulonephritis.

Answered 2/13/2015

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Low GFR: A GFR of 79 is lower than the lower limit of normal, 90 and may reflect early renal disease. Low C3 suggests immune complex formation. Please consult your doctor for repeat testing with proper hydration, test for urine albumin, hepatitis antibodies and auto-immune markers.

Answered 2/13/2015

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