Table 3.

Monitoring while on IgG-RT.

• IgG trough levels (before IVIG infusion) every 2–4 months until at goal

• Timing of IgG monitoring matters less in SCIG steady-state

• IgG trough monitoring every 6–12 months when at goal

• Intermittent IgA and IgM monitoring

• CBC w/ differential, renal function, hepatic enzymes every 6–12 months

• Serum viscosity if paraproteinemia present

• Close monitoring for thromboembolic risk factors