It can occur in many way. However the exact cause is unknown, it is believed that certain allergic reaction may cause it. This may include belts, buckles, fabrics, clothes and certain food or beverages. Reaction of the several drugs may give raise to this condition. There are some diseases like varicose veins may bring eczema to the person.

The itching is main among all symptoms. It is believed that coarse or rough material that comes into the contact with the skin causes the itching. In some cases, certain soaps, disinfectants, detergents, juices from the fresh fruits or meats, dusts, animal dander may trigger the itching. Stress and upper respiratory infections those are caused by virus may shoot up the itching in an individual.

Ayurveda believes that if one follows the diet and factors that aggravate Pitta Dosha, invites this disease. Certain aahar (diet) which is stale, too spicy, too oily, decayed food are responsible factors.

Due to certain cosmetics, soaps, lotions and make up material one may get eczema due to irritation on the skin following usage of them.