How does Dupixent work?
Information reviewed July 24, 2026
Dupixent blocks the signaling of IL-4 and IL-13, two key proteins that drive type 2 inflammation underlying eczema, asthma, and nasal polyp development.
More about Dupixent
More questions about Dupixent
Reference only
This information is for general reference and is not medical advice. Always consult a licensed healthcare professional about your treatment.