Drug interactions
Immunoglobulin + Pozelimab
Severity: Major
Immunoglobulin and Pozelimab: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Intravenous immunoglobulin may lower pozelimab concentrations, which could reduce complement inhibition and allow disease activity to worsen.
What this interaction means in plain words
Immunoglobulin and Pozelimab can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Immunoglobulin belongs to Miscellaneous; Pozelimab belongs to Miscellaneous.
Why it happens
High-dose immunoglobulin saturates neonatal Fc receptor (FcRn), accelerating catabolism of IgG antibodies such as pozelimab.
What to do
Avoid concomitant use if possible; if unavoidable, monitor closely for signs and symptoms of worsening disease.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Immunoglobulin
- Dinutuximab beta + Immunoglobulin Moderate
- Efgartigimod alfa + Immunoglobulin Moderate
- Immunoglobulin + Nipocalimab Moderate
- Immunoglobulin + Rozanolixizumab Moderate
Frequently asked questions
Can I take Immunoglobulin with Pozelimab?
MediHelp rates the interaction as major. Immunoglobulin and Pozelimab can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Intravenous immunoglobulin may lower pozelimab concentrations, which could reduce complement inhibition and allow disease activity to worsen.
How serious is the interaction between Immunoglobulin and Pozelimab?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concomitant use if possible; if unavoidable, monitor closely for signs and symptoms of worsening disease.
What other medicines interact with Immunoglobulin?
MediHelp also lists interactions of Immunoglobulin with, for example, Dinutuximab beta, Efgartigimod alfa, Nipocalimab. The full list is on the Immunoglobulin page.
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