If you have ever seen a Rheumatologist or there has ever been concern for lupus, you most likely have had your complement 3 (C3) and complement 4 (C4) tested. Unfortunately doctors do not do a great job of explaining these tests or their results, but are more often than not, considered when your doctor is assessing whether your lupus is “active” or “quiet.”
The complement system is complex and most doctors, aside from rheumatologists and immunologists, do not remember the specifics of the “complement cascade.” But you don’t need a PhD in immunology to have a basic understanding of how complements work and what they can teach us about our body.
[Read more…] about Complements & Lupus