Asthma is a chronic lung disease. Learn about its symptoms and how it's diagnosed and treated at Children's Hospital of Philadelphia.

Atopic dermatitis, also called eczema, is a skin disorder that usually appears in babies or very young children, and may last until the child reaches adolescence or adulthood. Eczema causes the skin to itch, turn red, and flake.

IgE-mediated food allergies cause your child’s immune system to react abnormally when exposed to one or more specific foods such as milk, egg, soy, wheat, peanuts, tree nuts, fish and shellfish.

Here are some questions you can ask yourself to help you figure out what might be causing your child's symptoms.

Take action before, during and after allergy season to effectively manage your child’s uncomfortable allergy symptoms.

Sinusitis is an infection of the sinuses near the nose. These infections usually occur after a cold or after an allergic inflammation.