How does Dupixent work?

Information reviewed July 24, 2026

Dupixent blocks the signaling of two proteins, IL-4 and IL-13, that drive type 2 inflammation. This helps reduce the overactive immune response responsible for eczema flares, asthma attacks, and nasal polyps.

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This information is for general reference and is not medical advice. Always consult a licensed healthcare professional about your treatment.

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