A typically harmless substance that causes a response of the immune system. Examples of allergens include pollen, dust mites, animal dander, and mold.
A chronic condition characterized by an unusual reaction of the immune system to a typically harmless substance, called an allergen. See Allergen.
A chronic skin disease and the most common type of eczema. It is characterized by skin inflammation and itch. Scratching the skin results in redness, swelling, cracking, oozing, crusting, and scaling. Atopic dermatitis is not contagious. See Eczema and Inflammation.
Biologics are specialty medicines that are made inside living cells that target specific parts of the immune system involved in the disease. To be effective and to work in the body properly, most biologics are delivered as injections or IV infusions because of their size and the unique way they are made.
Lasting for a long time or occurring over and over for a long time.
Medications that decrease inflammation. Steroid creams and ointments are frequently used to treat atopic dermatitis.
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 group of skin conditions characterized by skin inflammation, rash, and itch. There are many different types of eczema, and atopic dermatitis is the most common of them.
An instance when disease symptoms get worse.
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.
A drug or medicine that broadly suppresses the function of the immune system.
Your body’s response to damage caused by bacteria, harmful substances, high temperature, or other factors. The damaged cells produce chemical signals that attract white blood cells, which cause swelling in the surrounding tissues. Inflammation can lead to itchiness and redness.
An unpleasant sensation in the skin that makes you want to scratch.
The weeping of fluid on the skin surface as a result of scratching. When the fluid dries out, crusting is created.
An inactive substance used in clinical studies to make it easier to determine the true effects of the active drug that is being tested.
A change in the way skin looks or feels. Skin may change color, or may become bumpy, dry, itchy, or cracked.
Flakes or plates of dry, hard outer layer of skin.
To scrape your skin with nails, often to relieve itching.
A medicine applied to the skin.
Things that can make your atopic dermatitis worse. Examples of triggers include dry skin, irritants, stress, hot and cold temperatures, sweating, infection, allergens, and hormones.