Low C-reactive protein and high IgG may be a sign that the body is in the stage of chronic inflammation, if this happens, you need to consult a doctor in time for standardized diagnosis and treatment. Elevated C-reactive protein is often a manifestation of acute inflammation, such as acute appendicitis, acute glomerulonephritis, etc. In most cases of chronic inflammation, such as chronic pharyngitis, glomerulonephritis, etc., the elevation of C-reactive protein is not obvious. Elevated IgG is often a sign of a chronic inflammatory phase or reinfection. Therefore, low C-reactive protein and high IgG may be a sign that the body is in chronic inflammation, such as glomerulonephritis. If this happens, please consult a doctor for reasonable and standardized examination and treatment.