What is eczema?

What is eczema?

Eczema is an inflammatory response of skin to foreign or inside stimulus. It is also often regarded as dermatitis by many dermatologists casualy. The common form of eczema are atopic dermatitis, seborrheic dermatitis, nummular eczema, pompholix, stasis dermatitis, and asteatotic eczema. These eczema occurs due to disturbens in the functioning of T cells. However, there are eczemas which occurs from the out side source like air born contact dermatitis(ABCD), photodermatitis (due to sun) phytophotodermatitis( due to contact with light and plant), infective eczematoid dermatitid( due to infection), dematitis medicamentosa( due to drug) and allergic conntact dermatitis ( due to ornaments, cosmetics, daily use things etc.).

Eczema is caused by abnormal functioning of the immune system but some forms of eczema occurs due to contact of skin with irritant and allergic allergens like soaps, cosmetics, clothing, detergents, or jewelry. Environmental allergens causes two type of reaction one is due to direct toxic affect on the skin and other is following the sensitization of skin to the particular allergen..

How to recognize eczema?

Eczema is characterized by itching, papule, vesiculation & oozing from the skin. The appearance of eczema varies according to its stage like acute eczema presents as erythema, edema, micropapules, vesicles, oozing , crusting, pain and burning sensation. subacute eczema presents as itching erythema, edema, thickening with crusting, on removal of the crust, it leaves a moist area, chronic eczema has features like thickening , dis-colouration , severe itching and increased skin marking. Beside the common form of eczema there is a dry discoid form, where the skin is thickened, scaly and fissured.

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