The medication is not intended for use during an allergic reaction. Instead, it is designed to be taken repeatedly every few weeks to help reduce the risk of reactions over time. The FDA said people taking the drug should continue to avoid foods they are allergic to.
So it seems to be along the lines of the pre exposure desensitization regimens.
It’s been available for a while for treatment of allergic asthma and nasal polyps. It’s a monoclonal antibody that binds with free Immunoglobulin E (IgE) antibodies that are responsible for directing allergic reactions.
There’s an NPR article Here
The TL;DR is
So it seems to be along the lines of the pre exposure desensitization regimens.
It’s been available for a while for treatment of allergic asthma and nasal polyps. It’s a monoclonal antibody that binds with free Immunoglobulin E (IgE) antibodies that are responsible for directing allergic reactions.