In Japan, 80% of patients of the atopic dermatitis make their conditions worse in the time of winter. Which is caused of drying of their skin. Without the atopic dermatitis, skins of babies are easy to make an dry-eczema of winter. With the atopic dermatitis, the eczema can make much worse, arms and legs can break out in a rash, "tear of ear " can appear.

Itch

The most characteristic symptom is the itch. Without relations to appearance of eczema, they feel strong itch. Because of it ,they scratch hard and injure the surface of the skin to make eczemas in it

Symmetry on right and left

Eczemas of the atopic dermatitis appear symmetrically on right and left of the body. They rise in the distinctive parts, in the face, around the mouth, in the nape, inside of the knee and　the elbow. The aspect at which the atopic dermatitis different from eczemas of material inducement, is that the atopic dermatitis makes eczemas symmetrically on right and left, for example inside of both knees or both arms.

Chronic

The symptom lasts longtime.
An infant eczema can be cured in about a month at the longest. The atopic dermatitis passes into a chronic state to stay long.

Allergic constitution

The native constitution of allergy produces an effect on this disease as a cause.
Often an allergic reaction against food happens, eating egg to have diarrhea or to vomit up.

*With more than three features found, it can be made a diagnosis of the atopic dermatitis.

Infant eczema :
This symptom looks closely like the atopic dermatitis. But an infant eczema does not make a "tear of ear " nor eczemas in the stretching side of arms and legs like the atopic dermatitis. The symptom is slight, can vanish in a month leaving it.

Dermatitis caused of contact :
An inflammation caused of contacting the material inducement.

Dermatitis of canvas shoes :
An inflammation of foot caused of water and mud in shoes.

Dermatitis caused of licking the skin :
This appears at the part in which slaver stands. An inflammation caused of slaver.

Inflammation of sand :
Playing in a sandpile, it is caused of the stimulus of sand.

*These symptoms are caused of the constitution of dry-skin, not of allergy. Only these symptoms can be cured soon.