C3a & C4a Levels (Mold or Lyme?)

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New Member

Date Joined Oct 2017
Total Posts : 13
   Posted 12/25/2017 10:26 PM (GMT -6)   
Many of you may not be aware of C3a and C4a levels but one or the other is almost always elevated in those with mold or Lyme disease. I can't remember which is which. Those of you who are familiar with the two blood tests, could you please help! Both of my C3a and C4a levels came back really high! Does this mean I have mold or lyme?

C4a --- 1121.7 --- 0.0-650.0
C3a ---313.0--- 54.0-202.0

Thank you!

Post Edited (Lady89) : 12/26/2017 12:05:57 AM (GMT-7)

Veteran Member

Date Joined Mar 2014
Total Posts : 5095
   Posted 12/25/2017 11:23 PM (GMT -6)   

These findings suggest that C3a and C4a may be useful markers of Lyme disease in patients seen shortly after tick bite, even in those without EM (rash). "

"may be" is the key. This is not for sure, as there are many opinions on both of these as for the cause of elevation. Even autoimmune and candida is thought to make these rise.

This is best in company of other tests. CD57 is another which is usually low in lyme, but they are not sure of all illnesses which can lower it.

Have you had western blot tested? Did you ever have a bullseye rash?

Post Edited (astroman) : 12/25/2017 9:28:18 PM (GMT-7)

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Date Joined May 2014
Total Posts : 33931
   Posted 12/26/2017 6:55 PM (GMT -6)   
Moderator, Lyme Forum
Symp started April/2013; Buhner's Lyme May 15-July24/14; Igenex pos. July 3/14
Doxy: July 4-Aug.24/14;Zithro July26-Aug24/14; Amox + Proben. Aug. 29/14;
added biaxin Sept. 26/14
Disc. amox,added Ceftin Nov. 20th.;
Disc. biaxin added Buhner bart herbs Dec/14;Jan/15 pulsing Tinda (w/ Ceftin);
Abx/herb break Apr-July/15; July-mino; Aug. added Rif;
Nov./15 mino - to biaxi

New Member

Date Joined Oct 2017
Total Posts : 13
   Posted 12/29/2017 5:17 PM (GMT -6)   
Girlie, I'm not quite sure what you mean by bump?

Veteran Member

Date Joined Sep 2015
Total Posts : 2550
   Posted 12/29/2017 6:38 PM (GMT -6)   
She moved it to the top of the board so more people would see your post. Otherwise it would get buried.

New Member

Date Joined Oct 2017
Total Posts : 13
   Posted 12/29/2017 7:29 PM (GMT -6)   
Oh got it! Thank you! smile
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