the skin : The Mechanisms of Contact Allergy (2)
Following an attack of eczema, if contact with the allergen is eliminated, the skin will heal (3). The organism retains a durable trace of this episode (immunological memory). If new contact is made with the substance in question (4) the skin will react within a few hours with a new attack of eczema stronger than the previous one (5).
The itching is now intense and oozing and scab formation are frequent.