Eczema
Eczema is a kind of dermatitis or inflammatory reaction at the upper skin layers. In fact, the term eczema is applicable to a wide range of skin conditions and it is also seen as a symptom in many allergic manifestations. Eczema refers to the skin rashes and dryness over an area with one or more symptoms of skin oedema or swelling, flaking, crusting, itching, oozing, cracking, bleeding and blistering with itching sensation. There may be areas over the skin with discolorations and are mainly due to healing up of lesions, though there is only a rare chance for scarring.

Causes
Actually the exact etiology of eczema is unknown or there is no any perfect single reason for eczema. There are several causes and it varies with individuals. Eczema is of two types, allergenic as well as non allergenic form. Most common kind of eczema is the atopic eczema, which has a hereditary factor in precipitating it and is associated with the sensitiveness to allergens which don’t affect much of the general populace. There is also a close relation seen for eczema with other allergic diseases. For instance many individuals with atopic dermatitis are seen suffering from asthma and hay fever. Eczema is also seen precipitated by irritants like chemicals, dust, harsh detergents, sand, smoke, cigarette, scratchy materials like wool, nickel, pollen grains etc. 

Different Types of Eczema