Eczema is a skin irritation usually characterized by dryness, redness, itching, and rashes. Eczema can affect skin on all parts of the body such as face, neck, arms, hands, and buttocks. Eczema is a condition that people may suffer with their whole lives, while some may only have flare-ups during childhood. Eczema has many different forms and triggers. For example, skin rashes and redness due to an external allergen or irritant such as Poison Ivy or direct sunlight is called Dermatitis. Hereditary Eczema (usually common in families with Hay fever and Asthma) called Atopic Eczema, is one of the most common forms.