If your doctor just prescribed Gamunex-C, you've probably already seen the price tag and felt a little overwhelmed. Here's what's actually involved - and what changes when a specialty pharmacy handles the details for you.
If your doctor just prescribed Gamunex-C (immune globulin), you've probably already done a few things: googled the name, seen a price tag with a lot of zeros, and maybe felt a little overwhelmed. That's normal. Here's what's actually involved in starting Gamunex-C - and what changes when a specialty pharmacy supports you through it.
Gamunex-C is an immune globulin (IgG) therapy used to treat primary immunodeficiency disease (PIDD), chronic inflammatory demyelinating polyneuropathy (CIDP), and immune thrombocytopenic purpura (ITP).
This is a detail worth understanding clearly: for CIDP, Gamunex-C is given by IV infusion only. For primary immunodeficiency (PIDD), it can be given either by IV infusion or as a self-administered subcutaneous injection, depending on what your doctor recommends. This isn't a matter of personal preference across the board - it depends specifically on which condition you're being treated for.
Immunoglobulin products are made from pooled human plasma, so every batch is tested and lot-tracked.
Cost depends heavily on your weight-based dose - cash prices are commonly cited starting around $158 per 10mL, with total cost varying by how much you need. With commercial insurance and the Gamunex Connexions Copay Assistance Program, eligible patients can pay $0 for copays, deductibles, and coinsurance, with up to $10,000 in annual savings.
The catch is that navigating insurance approval and your specific administration route is exactly the kind of complexity a specialty pharmacy helps manage.
Sorrento Gamunex-C Services
Learn more about our Gamunex-C specialty pharmacy services →
Can I get Gamunex-C as a self-injection at home?
It depends on your diagnosis - subcutaneous administration is available for primary immunodeficiency, but CIDP patients receive Gamunex-C by IV infusion only. Your doctor determines which applies to you.
How much will I actually pay for Gamunex-C?
It depends on your insurance, your dose, and your administration route - we determine your specific cost before treatment begins.
Is there a generic version of Gamunex-C?
No - as of 2026, there is no generic alternative to Gamunex-C available in the United States.
Can Sorrento help even if I'm not in the Glendale area?
Yes - we're licensed throughout California and support patients statewide, regardless of where you live.
Our team assists with prior authorization, insurance verification, and savings program enrollment - so your therapy starts without delay. Free delivery throughout California. Learn more about our Gamunex-C pharmacy services →
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