Vitamin D deficiency is very common with Lupus (one study showing 96% of lupus patients deficient in vitamin D) however the body will lower vitamin D when
calcium is
high as a protective mechanism to prevent extra
calcium being absorbed from the diet.
Anaemia is a frequent occurrence in SLE and causes include inflammation, renal (kidney) insufficiency, blood loss, dietary insufficiency, medications, hemolysis, infection, hypersplenism, myelofibrosis, myelodysplasia, and aplastic anaemia.