Eosinophilic esophagitis (EE or EoE) is a relatively newly recognized disease that has been increasingly diagnosed in both adults and children since 2000.

Atopic dermatitis, also known as eczema (pronounced “EK-zema”), is a skin condition that causes dry, scaly, red, and itchy skin. It can occur at any age, and is more frequent in some families.

Reactions to food are common, and can be divided into two categories, those caused by food allergy and all other reactions. Food allergies develop when the body's immune system has an abnormal reaction to one or more proteins in a food.