inflammation Community
Immunoglobulin A (IgA)IgA is an antibody that guards the lining of your gut, lungs, and mouth. It is also checked when testing for celiac disease.
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Yes—this antibody deficiency occurred in 1.4%–4.8% of people with celiac disease, more often than in the general population. A 2026 review examined [Immunoglobulin A (IgA)](/biomarkers/inflammation/immunoglobulin-a-iga) deficiency and celi
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Yes—a rare condition causing lasting skin bumps can signal blood disorders, infections, or diseases where the immune system attacks the body. A 2026 article in *Clinics in Dermatology* describes erythema elevatum diutinum. This rare, long-
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