IVIGs may be used to control SLE with organ involvement or vasculitis. Although the mechanism by which these products help is not well-understood, it is thought that they reduce antibody production or promote the clearance of immune complexes from the body.
Risks Although an IVIG, like any drug, can cause potentially dangerous side effects, it doesn’t suppress the immune system the way immunosuppressives and corticosteroids do.
Thus, the risk of serious infections with these drugs is less. Side/Adverse Effects Dermatologic: rash, mild skin reaction at injection site Gastrointestinal: abdominal cramps, nausea, vomiting Musculoskeletal: chest, back or hip pain; muscle pain; joint pain Neurologic: anxiety, chills, dizziness, fever, headache Other: chest tightness, difficulty breathing, burning sensation in the head