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A 35-year old male asked:
Have borderline low C3 and C4 complement levels and low 1:80 titre positive ANA speckled. With symptoms relating to sle and sjorgrens - atypical ?
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A 49-year old male asked:
What illness could explain ELEVATED C3 and C4 complement serum levels in the presence of angioedema? ANA and Rheum Arth Factor both negative.
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A 30-year old female asked:
My C4 complement level is low and C3 complement is at the low end of the range (90, ref range 90-180). What could this mean?
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A 21-year old male asked:
Do serum complement levels naturally fluctuate? had one mildly low C4 with normal C3 but when test redone both had risen & C4 was within normal range
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A 33-year old male asked:
I have normal levels of complement C2 and c4. C3 level is low. Ch50 is high-normal(57 u/ml)-(all are serum tests)-what are the possible causes?
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A 33-year old male asked:
Can you have a normal ch50 (total complement) blood test result, but still have low C3 and/or C4 levels?...Or would low C3 or C4 show up on ch50 test?
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A 25-year old female asked:
Rnp antibody, speckled pattern, titer of 1:320. No symptoms or anything. High complement c3 & c4 levels. do I have an autoimmune disease?
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A 43-year old male asked:
Could my severe vitamin d deficiency be the cause of my extremely high complement ch50 level? C3 and C4 are normal.
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A 51-year old female asked about a female:
My 14yo has C3 level is 71, C4 is 13, C50 is 60. Alkaline phosphatase plasma low 72. Because total complement was ok, we were told she is fine?? Family history of Lupus. She has face rash, cold hands turning purple, low energy. Should I worry?
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A 38-year old female asked:
Repeated blood tests show I have VERY low complement C3 @ 41 and not sure is C4 @ 12 is also considered low. What tests should be done next?
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A 21-year old male asked:
Complement C3 & C4 tests done 3 times. C3 normal but twice C4 was borderline normal or borderline low, 3rd time it was well within range. deficiency?
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A 23-year old female asked:
What does it mean if my complement C3 serum was 4 points low on a scale of 90-180 and my C4 was normal? Could there be something wrong?
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A 24-year old female asked:
I have complement C3 n C4 deficient, ivr beem diagnosed with adult stills d. N fibro? Is deficiency in those to really rare?
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A 21-year old male asked:
Complement C3 and C4 tests done 3 times due to lupus symptoms. C3 always normal but C4 borderline low twice, now normal. is this a deficiency?
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A 53-year old female asked:
Sle dx. C3 is always low for years. C4 has never been low. I realize sle diagnosis is more complicated but aren't both complements usually low in sle?
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A 35-year old male asked:
What means very high CH50 complement? Mine is 277 CAE,C3 and C4 normal.Ref ranges for lab are only greater than 60,but I read high could be pathologis
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A 30-year old female asked about a female:
2yr old had blood work done in Dec & in Feb results are saying she had a high C3, C4 Complement & high C-Reactive protein & ES rate what's wrong?
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A 42-year old female asked:
High positive ANA for years and now tested elevated complement C4 and C3 but all other autoimmune antibodies are still negative. What could that be?
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A 44-year old female asked:
Very high C3 complement 543, and C4 of 87 in my teen daughter. She also went back on gluten after a two week "gluten fast" & blocked salivary gland?
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A 29-year old female asked:
Esr, c3, c4, total hemolytic complement are all high, negative ana, malar rash, could it be lupus?
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A 58-year old female asked:
I had a complement total 50 done with c3-c4 but dr only did total ch50 and it is 60 , i also have autoimmune diseases hashimotos ,sle,ra,mctd and my crp is very very low 5 is this of concern as my dr is not sure , just said it is your autoimm?
2 doctor answers • 3 doctors weighed in
A 57-year old female asked:
Increased aldolase, complement c3/c4 serum, sed rate, c-react. Protein, beta globulin, monocytes, bun/creatin low mcv-mch, vit d-possible causes?
1 doctor answer • 2 doctors weighed in
A 20-year old male asked:
Normal C-RP, Sed Rate, CBC, CMP, Rheumatoid fac., C3/C4 Complement and Cyclic Citrul peptide. ANA was negative. Does this rule out any auto-immune?
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A 25-year old female asked:
Im complement deficient. What does this mean? Low C3 and c4. joint pain, low back pain, rashes, anisocoria, low tsh, fatigue etc and it's not lupus
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A 33-year old male asked:
Labcorp says that a serum complement C3 level of 89 mg/dl is low for an adult. Does this sound right?
1 doctor answer • 5 doctors weighed in
A 25-year old female asked:
I have low C3 and C4 with high histamine levels. What could be the cause?
1 doctor answer • 1 doctor weighed in
A 31-year old female asked:
What does it mean when you have high levels of complement c4 and sedimentation rate westergren?
1 doctor answer • 1 doctor weighed in
A 43-year old male asked:
What is the significance of having low serum levels of kappa and lambda free light chains? I had high ch50 and normal C3 and c4.
1 doctor answer • 1 doctor weighed in
A 37-year old female asked:
Can u tell me what symptoms occur from retrolethesis (?Sp) of C3 c4? I also have bulged, or herniated dics at every other level in my neck...
1 doctor answer • 2 doctors weighed in
A 26-year old female asked:
My mom got back an X-ray report that says that she has degenerative posterior and anterior stair stepping at the C3/C4 levels. What does this mean?
1 doctor answer • 1 doctor weighed in
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