Most people with asthma are able to control their symptoms by using inhaled medicines each day. But for some people with severe asthma, inhaled medicines are not enough to keep symptoms under control.

Dupixent interacts with some medications like seizure drugs (phenytoin, carbamazepine), warfarin, and certain heart medications, potentially increasing side effects or reducing their effectiveness.

What Is It, and Why Does It Matter? Dupixent (dupilumab) is a prescription biologic medicine given as an under‑the‑skin (subcutaneous) shot that helps reduce inflammation caused by certain immune ...

Common side effects of Dupixent include injection site reactions and mouth or throat pain. Serious side effects can include severe eye problems and certain conditions involving white blood cells, ...