Glossary

A biologic is a type of medicine that is processed in the body differently than inhalers, oral medications (pills), or steroids. It is taken by injection under the skin (subcutaneous injection). Today, different biologics are used to treat many conditions you may be familiar with.

A program to provide support to patients starting DUPIXENT. Get ongoing, personalized nursing support; help scheduling monthly prescription refills and deliveries; and in-home, in-office, or online supplemental injection training.

A subtype of asthma that is often severe due to an increased number of eosinophils. It is commonly seen in people who develop asthma in adulthood, although it may occur in children and young adults. 

Eosinophils are white blood cells that are normally a part of the immune system. When there are too many in the airways, they cause inflammation and can trigger asthma attacks.

The defense system that protects your body against harmful substances and invaders, such as bacteria and viruses. The immune system is made up of many different cell types and organs.

Your body’s response to damage caused by bacteria, harmful substances, high temperature, or other factors.

An apparatus for administering medicines by inhalation.

Corticosteroids are laboratory-made medicines that closely resemble cortisol, a hormone that your adrenal glands produce naturally. They are often referred to by the shortened term “steroids” and are taken by mouth. Steroids reduce the production of chemicals that cause inflammation.

A specialty pharmacy is a state-licensed pharmacy that solely or largely provides only medications for people with serious health conditions requiring complex therapies.

An injection given underneath the skin.

Asthma that has poor symptom control (frequent symptoms or reliever use), activity limitations and/or nighttime awakenings due to asthma and frequent attacks (exacerbations ≥2/year) requiring oral steroids.