Learn more about immunoglobulins including how they help your body fight infections and the tests doctors use to measure your immunoglobulin levels. Healthline Health Conditions ...

Just because your immunoglobulin level is high or low doesn't mean you have one of these conditions. Each person's test can differ based on the method the lab uses to check the results.

Patients with UC showed substantially increased levels of IgG and IgA, compared with healthy controls and those with Crohn’s disease and lymphocytic colitis (P <.001 for all).

Suppression of uninvolved immunoglobulins is common in multiple myeloma (MM) but the prognostic significance of this phenomenon has not been assessed. We evaluated the prognostic significance of ...