Many people with eczema have antibodies in their blood to allergens in the environment such as house dust mite; they are then classified as being atopic.
This can be seen in roughness characterized by scaling and dryness, itchiness, dermatitis provoked by microorganisms and allergens penetrating the corneal layer and redness.
Extremely small doses of allergens are injected under the skin together with an enzyme that occurs naturally in the human body to gradually desensitise a patient against his allergies.
