Market Overview The Europe subcutaneous immunoglobulin (SCIG) market size was valued at USD 2.5 billion in 2024, growing at a CAGR of 9.0% from 2025 to 2034.  Subcutaneous immunoglobulin (SCIG) is increasingly preferred for treating primary and secondary immunodeficiencies due to its advantages over intravenous administration. SCIG enables consistent IgG levels, reduces systemic side...