@snoots Nucala and Dupixent treat different types of issues from my understanding. This is what I was told Nucala treats:
An eosinophilic phenotype is a visible disease trait defined by high numbers of eosinophils, which are a type of white blood cell that causes swelling and tissue damage. It most often appears in severe respiratory conditions like Eosinophilic Asthma and chronic obstructive pulmonary disease (COPD).